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368432 pages
Which horizon is the darkest in color and is called topsoil?
What human practices can exposes soil to wind and wate?
Horizon C is what layer?
What is crop rotation?
Windbreaks are what?
29 . In the pedigree on your study guide, is the trait autosomal or sex-linked? Why?
30. In the pedigree on your study guide, is the trait dominant or recessive? How do you know?
31. True or False: The X and Y chromosome are known as sex chromosomes because they determine an individuals sex
31. True or False: Males have two X chromosomes
31. True or False: All the chromosomes except the sex chromosome are autosomes.
31. True or False: Biologists would write 46 XY to indicate a human female
If brown is the dominant color in rabbits, what are the genotypes of homozygous brown and heterzygous brown rabbits?
35. Why is Lamb A considered to be a clone of Sheep A?
24. b. A homozygous dominant and homozygous parents are crossed to create offspring. What are the possible genotypes?
34. b. A homozygous dominant and homozygous parents are crossed to create offspring. What are the possible phenotypes?
32. A circle on a pedigree represents ....?
32. A square on a pedigree represents ....?
32. A completely filled in shape on a pedigree represents....
34. a. A purebred tall is crossed with a hybrid. What are the possible genotypes?
32. A half filled in shape on a pedigree represents a...
34. a. A purebred tall is crossed with a hybrid. What are the possible phenotypes?
34. c. A heterozyous is crossed with a homozygous recessive. What are the possible phenotypes?
34. c. A heterozyous is crossed with a homozygous recessive. What are the possible genotypes?
The name of the small body part where sperm are created is:
Sperm are stored in the:
The tube through which semen and urine exit the body is called:
The liquid that sperm is mixed in to before ejaculation is called:
The name of the process by which sperm leaves the body is called:
What is it called when a male experiences ejaculation in his sleep?
Why does hair begin to grow around the penis during puberty?
When the penis hardens before ejaculation, it is called:
The prostate gland:
The skin on the outside of the testicles is called:
The tube that connects the testicles to the seminal vesicle is called:
As you go across the periodic table from left to right, which of these is true?
As you go down the periodic table from top to bottom, which of these is true?
Which element has the highest electronegativity?
The ability of chemically combined atoms to attract electrons to themselves is called ______.
The energy required to remove an electron from an atom is called ______.
Where are the most metallic elements found on the periodic table?
The amount of energy involved in adding one electron to a gaseous atom of the element is called ______.
Which element has the smallest atomic radius?
Which element has the highest ionization energy?
Which element has the lowest electron affinity?
The most important factor in chemical bonds and compounds is the number of ______.
What states that an atom tends to fill its valence shell with 8 electrons?
This bond results in completely losing or gaining electrons.
This bond results from unequally sharing electrons.
This bond results in equally sharing electrons
An ion that is formed from a group of atom is known as a ______.
Which bond involves 4 electrons?
This bond contains delocalized electrons that can float around throughout the metal.
What is a diagram that shows locations of atoms and valence electrons in a compound using dots?
A set of oppositely charged ends of a bond is known as ______.
VSEPR stands for what?
If there are 4 bonding pairs around the central atom, this creates what?
If there are 3 bonding pairs (with 4 electron pairs) around the central atom, this creates what?
If there are 3 electron pairs (3 electron pairs) around the central atom, this creates what?
H2O is an example of which shape?
CO2 is an example of which shape?
CH4 is an example of which shape?
This shape puts bonding pairs at 180 degrees apart.
This shape puts bonding pairs at 120 degrees apart.
Ammonia, NH3, is an example of which shape?
Forces that bind molecules together to form larger structures are known as
Attraction force between polar molecules
The only intermolecular force that affect nonpolar molecules
The random chance of electrons temporarily being close together creating a brief polar charge
The strong force that exists after hydrogen is near strongly electronegative atoms
The stronger the intermolecular forces between the molecules of a solid, the ______ the melting point.
Water is a polar substance, whereas, oil is a nonpolar substance. Oil mixed with water will
Water is a polar substance, and sugar is a polar substance. Sugar mixed in water will
These solids have molecules arranged in 3D pattern.
Answers by Educators Question Database
Answers by Educators Question Database
What instrument is used to separate colors precisely?
What is a prism that separates light into component wavelengths?
Who came up with the planetary model of the atom in 1911?
Which model says that electrons stay in specific orbits called energy levels?
What is the lowest energy state in the atom at the lowest orbit?
If an electron moves up an energy level, it is said to be in ______.
Which model says that electrons move around as particles in motion that have properties of waves?
Which model says that electrons are found in regions called orbitals?
What principle tells that electrons do not have precisely measurable positions and momenta?
This is a region of space where there is a high probability of finding an electron.
What is a change in speed or direction?
What is a resistance of an object to a change in movement?
The amount of matter in an object is called _____________.
What do we call any push or pull on an object?
A force that always opposes motion between two surfaces that are touching each other.
What do we call a theory that has been tested many times with the same result each time?
Gravity and Friction are both examples of ________________.
The measure of how much gravity pulls down on an object
To measure the speed of a matchbox cars, which tools would I need?
The more mass an object has, the _____________________?
Newton is known for the 3 laws of _________?
a form of potential energy created by the buildup or loss of electrons (ZAP!)
Newton's first law deals with_________________
Newton's 3rd law states_________________
German monk responsible for the start of the Protestant Reformation
Ideas of the Reformation spread quickly because of
For people of 1500s salvation meant
Martin Luther believe what was the key to salvation
According to Martin Luther priest were
Henry VIII separated from the Roman Catholic church because
Which of the following is NOT a true immediate impact of the Reformation
Name of the official document challenging the Church
The final authority of religious matters according to Luther
Which is NOT a POLITICAL effect of the Reformation?
Define mega.
Define lith and petro.
Define mini, micro, and ette.
Green is the color of ...
If you want to hide something, you should find a good ...
Define ped.
Define ology.
Define bio.
Define geo.
Define gram.
The words dovetail and interlock would be ________.
Define cide.
Define intra
To try to calm someone, give them one of these...
Antiobiotics do this....
Urban is the opposite of...
Grammar is the study of ...
People can be petrified if they...
One may say a dark sky with rain clouds is an _________ sign of storms to come.
If I study, my exam will not be a _________.
Which of the following is NOT an advantage to the Python programming language?
Name the two basic modes of IDLE.
What is a sequence of characters called?
What are a set of characters that allow you to insert special characters into a string?
What type of value will the raw_input function return to you?
An error that will not crash your program, but produces unintended results is...
Which of the following is an assignment operator?
Which of the following is not one of the three logical operators?
Which of the following definitions describes a 'block' of code?
Part of the while loop which is used in the condition and compared to some other value or values—will need to initialize this before the loop.
A type of immutable sequence that can contain elements of any type (uses parentheses).
Which is a difference between a tuple and a list?
Write a for loop that will count from 10 to 40 by 2’s (assume proper tabbing).
How would I print out each element in the following tuple (assume proper tabbing)? sox = (“Thome, “Anderson, “Ramirez, “Pierzynski)
What will the following code display (assume proper tabbing)? equipment = (dagger, 2), (sword, 12), (shield, 9) \ for item in equipment: \ name, cost = item \ print cost
Which of the following can be used to count to a certain number.
What will the following code display (assume proper tabbing)? count = 0 \ while count != 10: \ print count, \ count += 2
If you want to perform true division in an operation, which function will help you convert values?
When writing a menu-based program, the menu structure should be...
Which slice will turn the sting 'summer vacation' into 'summer'? (assume brackets are present)
Mark Twain is not the real name of the author, it is his _______.
Mark Twain took inspiration from his own life to develop which parts of the novel:
The Adventures of Tom Sawyer is written in what point of view?
__________ would be considered the antagonist of the novel.
______ is Tom's cousin who tries to help him be a better boy.
This character is referred to as Tom's bosom friend, one who disappears to the island with him and leads the opposite army when they play.
Why do Tom and Huck first go to the graveyard?
How does Tom trick his friends into helping him whitewash the fence?
Who is blamed for the murder of Dr. Robinson?
Why does Huck not go along on the picnic?
What happens to Tom and Joe when they learn how to smoke?
Who decides to have the door of McDougal's Cave bolted shut?
Who adopts Huck Finn at the end of the novel?
Whom does Tom encounter while lost in the cave?
What does Tom find behind door #2 at Temperance Tavern?
In what state did Mark Twain grow up?
What is a superstition?
What is dialect?
read(10) means...
readlines() means:
What is a constructor?
Should attributes be public or private?
Should methods be public or private?
What is a “class attribute”?
Why might you use a static method?
What method sets the size of a root window?
Answers by Educators Question Database
Answers by Educators Question Database
Areas of concentrated magnetism with opposite properties are known as ____.
Imaginary lines that indicate the direction and strength of a magnetic field.
Which of the following are not magnetically permeable substances?
What law says that the force between magnetic poles is directly related to poles strengths?
What is a train that levitates above magnetized tracks in order to travel at high speeds?
An object capable of attracting materials by magnetic force is called:
What is the most important cause of magnetism in magnetic materials?
A group of aligned atoms having a single magnetic field.o
The more unpaired electrons per atom a substance has the _____ magnetic that substance will be.
What law/theory states that the magnetic field of a magnet is the sum of the fields of thousands of domains?
What type of magnetic material is weak and has no unpaired electrons?
What type of magnetic material has several unpaired electrons and is strongly attracted to magnets?
What type of magneti has one unpaired electron as is weakly attracted to magnets?
A substance that forms a temporary magnet and has domain that are easily aligned is:
A substance that forms permanent magnet and has domains that strongly resist change in direction is:
Steel needles can become magnetic after being rubbed by a magnet. This is magnetization by:
If a substance is made into a magnet by having their electrons aligned when it is brought close to a strong magnet. This is magnetization by:
Magnetic fields are created when electrons spin or move. This is magnetization by:
Coiling a wire around a material like iron to create a magnetic field with electricity will make a(n):
Which of the following is NOT a way to demagnetize a magnet?
Which of the following planets does not have a magnetic field?
An imaginary circle around the earth halfway between the magnetic poles is the ________.
What is the stream of charged particles that emanates from the sun called?
The amount by which a compass needle deviates from true north is the angle of _______.
Which scientist was the first to propose that earth has a magnetic field?
The extent of a planet's magnetic field in space is known as a _________.
The donut shaped belts of high-speed particles trapped in Earth’s magnetic field are the ______.
The southern lights are known as aurora _________.
What is the aurora phenomenon caused by?
What causes the Earth’s magnetic field?
Charges that are stationary represents
Electricity that flows in one direction describes
Electricity that reverses at regular intervals is:
The difference between 2 electric charges that describes the force of flow is called
The rate of charge flow is called
Energy used per unit of time is called
The SI unit for current is
This is called electrical friction and is the measure of energy converted into heat due to resistance.
Electric companies charge for electricity by this amount.
Which of the following describes a relationship between voltage, current and resistance?
Materials through which current flows easily are called ____.
Materials that do not allow electrons to flow easily are called ___.
The amount an object prevents current from flowing is
Which of the following is the most important factor that affects current flow?
A material that allows current to flow with no resistance and no friction, but currently has to be at a really low temperature to work.
What is the equation for ohm's law?
What is a device added to a circuit to increase resistance?
Which of the following would not be a conductor?
Which of the following would not be an insulator?
The SI unit for resistance is ______.
The path an electric current follows is called an _______.
Which of the following is not one of the basic three parts in an electric circuit?
If there is a gap in the circuit, this would be called a(n) ______.
If circuit is complete with no gap, this would be called a(n) ______.
These devices are found in homes with switches to prevent overload of electrical current.
These are burnt up if overloaded in current to prevent damage to other parts.
These have loads arranged so that electric current flows from one load to the next.
These have loads arranged in separate branches in the circuit
If electricity takes a shortcut through a circuit, this would result in a ______.
If a bulb is added to a parallel circuit, what will happen to the other bulbs?
Which of the following is not one of the 3 basic systems for a computer?
This connects all the computer’s components together?
This controls all other systems of the computer.
This is a single chip that contains the entire CPU.
This provides short-term memory, which the computer can instantly access.
This provides long-term storage and uses magnetized spots on a spinning disk to code data.
These provide long-term storage and include CD, DVDs
This provides long-term storage and contains read-only memory that can be rewritten
Which of the following is not an example of an input device?
Which of the following is not an example of an output device?
These devices send and receive information by converting between digital data and analog data.
This is the most basic form of input on a computer.
This directs the computer to perform basic functions for operation
This includes certain games, music and video players, spreadsheets, adobe, office.
Machine language that uses binary numbers with each number corresponding to a basic operation is part of ______.
This is a smaller network found in homes, schools, businesses.
This is a worldwide network.
The internet was first started where?
The system of using internet to access remote computer resources that store, process, and manage users’ data is known as ______.
When you use the touch screen on your phone, you are using the ______.
Maximum distance that particles are displaced by a wave, or a wave’s height, is called ______.
The number of waves that pass a given point per unit of time is called ______.
The formula v =
The SI unit of frequency is ______.
The theory of light that states that light travels as waves and particles is:
Light packets of energy that electromagnetic waves travel as are called ____.
Electromagnetic waves that the human eye can see is called:
Which scientist said that light travels as an electromagnetic wave?
Which scientist proposed the particle theory of light?
The speed of the electromagnetic waves in a vacuum is ______.
How many quantum numbers are there?
The principle quantum number is symbolized by ______.
The angular momentum quantum number is symbolized by ______.
The magnetic quantum number is symbolized by ______.
The spin quantum number is symbolized by ______.
This states that each electron occupies the lowest energy orbital available first.
This states that a maximum of two electrons may occupy a single orbital sublevel only if electrons have opposite spins.
This states that single electrons with same spin must occupy each equal-energy orbital before additional electrons with opposite spins can occupy same orbital.
This indicates the main energy level occupied by the electron (1, 2, 3, 4…)
This represents shape or type of orbital that corresponds to particular suborbital (s, p d, f)
Answers by Educators Question Database
Answers by Educators Question Database
When air resistance stops a falling object from speeding up, the object has reached its _________ velocity.
What type of friction affects sliding objects already in motion?
What type of friction prevents objects from moving?
Which of the following surfaces would offer the least friction for a moving object?
A force that causes objects to travel in a curved path rather than a straight line is _____ force.
The discovery of the law of universal gravitation is credited to which scientist?
Two objects attracting each other through force proportional to their masses is stated in the:
Rubbing two pieces of sandpaper together demonstrates which cause of friction?
What is the SI unit for force?
Weight is:
What is the rate of doing work?
What is the transfer of energy from one object to another by force?
Which of the following is a relates mass and velocity?
What is the equation to calculate power?
What is the unit for work?
What is the unit for power?
More power means _____work can be done in the same time.
A man is attempting to push a cow into a fenced area. He exerts 10 N of force on the animal for 20 min, but the cow does not move. How much work has the man done?
What is the law that states that a force has to act on an object to change that object’s momentum,
A heavier object moving has _____ momentum than lighter objects moving.
What are devices designed to do work called?
If you apply the law of conservation of energy to simple machines then which of the following is true?
What is a measure of how well a machine converts input work into output work?
What type of lever has the fulcrum on one end and the output on the other end?
What type of simple machine is a sloping surface that allows an object to be raised without lifting it up?
What type of simple machine is a ferris wheel?
What type of simple machine resembles an incline plane wrapping around a rod?
What type of simple machine has a rope or cable that passes over a wheel to keep the force the same or multiply it?
What type of simple machine is a knife?
Can a simple machine lose work input (produce less work that was put in)?
Reinforcement or cancellation that occurs when two or more waves meet is called ______.
Maximum distance that particles are displaced by a wave, or a wave’s height, is called ______.
The number of waves that pass a given point per unit of time is called ______.
The formula v =
The spreading of a wave after it passed through a narrow opening is called ______.
Bending of the path of a wave a result of a change wave speed is called ______.
The wave which has particles that move up and down, perpendicular to the motion of the wave (like a rope) is a ______ wave.
A wave with compression and rarefaction pulses is a ______ wave.
The SI unit of frequency is ______.
The law of reflection states that the angle of incidence is ______ the angle of reflection.
The unit used to measure sound intensity in a way that reflects how our ears perceive sound.
What type of wave does sound travel as?
Speeds above the speed of sound is called ______.
The effect of intensity on the way the ear perceives sound is ______.
A loud noise caused by a shock wave is a ______.
The effect of frequency on the way the ear perceives sound is ______.
Which part of a sound wave results in high pressure with air molecules bunched up?
How does sound behave in a vacuum like space?
Who is the scientist that put an alarm in a glass jar to show the effect of a vacuum on sound?
The change in frequency because of an object's motion is known as:
The theory of light that states that light travels as waves and particles is:
Light packets of energy that electromagnetic waves travel as are called ____.
Electromagnetic waves that the human eye can see is called:
Printers use which color method?
The additive primary colors are red, green and
The subtractive primary colors are cyan, yellow and
What object separated light into its component parts?
Which scientist said that light travels as an electromagnetic wave?
Which frequency of light is not in the visible spectrum?
Which scientist proposed the particle theory of light?
This effect of refraction is also known as twinkling of stars, where starlight appears to change brightness as light passed through our atmosphere.
When light hits an obstacle and bounces off, it is ______.
This states that the angle of incidence equals the angle of reflection.
A mirror that is curved inwards, away from you, like a cave is ______.
A mirror that is curved outwards is ______.
As light passes through water, it causes fish to appear further away due to _____.
From a distance, you may see light waves refracting in the heated air making it appear as if water is on the ground. This is an example of a _____.
Millions of droplets in the air disperse white light into colors creating a _____.
Due to interference of light in a bubble, multiple colors can be seen, which is called _____.
Sunglasses use _____ to only allow beams of light moving in a certain direction to pass.
These are low frequency waves used mostly for communication over long distances.
Which of the following uses the highest frequency radio waves?
When you heat up food, like popcorn, in that electrical box in your house, you are using _____.
This uses radio or microwaves to measure distance and direction of faraway objects
These are the electromagnetic waves given off due to heat.
These electromagnetic waves are found in between 400 THz and 800 THz.
This is used to sterilize medical equipment.
Which of the following UV categories is the most dangerous and is completely blocked by our ozone?
These are used to penetrate any material and look inside human bodies.
These are the most powerful form of electromagnetic radiation and can be very damaging to living tissue
What states that opposite charges attract each other?
What states that strong charges will have strong attraction or repulsion?
Charges that are transferred through direct contact use _____.
If a negatively charged rod is brought into contact with a ball, the ball will have a _____ charge.
If a negatively charged rod is brought into contact with a ball, charge was transferred through _____.
What states that charges cannot be created nor destroyed?
Diverting unwanted electric charge directly in the earth is called _____.
Electric charge that can be transferred without direct contact uses _____.
If a negatively charged rod is brought close to a ball, without touching it, charge was transferred through _____.
What can be used in order to create a permanently charged object through induction?
The flow of charge from one place to another is called _____.
Which of the following carry charges?
Which of the following cannot carry charges?
What is a device used to detect small electric charges?
What is a device that produces static electricity
This device contains a large, hollow sphere, insulating stand, motor driven belt.
Why is safer to stay inside a car rather than stand outside during a thunderstorm?
The upward flow of positive charge creating a flash of light in lightning is called _____.
This is an early form of a capacitor, which are used to store electric charges.
Benjamin Franklin invented this device to protect buildings from lightning strikes.
Answers by Educators Question Database
Answers by Educators Question Database
As a hydrated compound is heated, it decreases in
One mole of silicon has a mass of 28.086 g, and one mole of carbon has a mass of 12.011 g. What is the mass of one mole of silicon carbide (SiC)
Methane (CH4) contains 75% Carbon. What percentage of methane is hydrogen?
Which compound has the smallest molar mass?
Sodium bromide dihydrate is correctly written as
Which conversion factor would you use to calculate correctly the mass of 2 moles of the element titatnium
A _______ is a ratio between the number of moles of any two substances in a balanced chemical reaction
The amount of product actually produced by a chemical reaction is called the
The reactant that limits the extent of the reaction is called
In the formation of a covalent bond, electrons are
The ____ is the maximum amount of product that can be produced from a given amount of reactant
A _____ is a reactant that has a portion remaining after the reaction has stopped
The study of the quantitative relationships among the amounts of reactants used and amounts of products formed by a chemical reaction is called
The ratio of the actual yield to the theoretical yield expressed as a percent is called the
The amount of product formed during a reaction depends on the
A chemical reaction rarely produces the ____ of the product
Chemists sometimes use _____ to speed up a chemical reaction
A ____ is a ratio between the number of moles of any two substances in a balanced chemical equation
The amount of product actually produced by a chemical reaction is the
The reactant that limits the extent of the reaction is called
The relations and communications with other countries
The director of the National Security Council
A policy of not taking sides in wars between other countries
Measures that stop or limit trade with another nation in order to change its behavior
Which would be least likely to advise the President on foreign policy
Who are not employees of the Department of State
Which is not a role of congress in foreign policy
What is a way individuals can affect foreign policy
Who is on the national security council?
Name a way a private group might effect foreign policy
The number of molecules of a substance involved in a reaction is indicated by the
The total mass of the reactant equal the total mass of the products is the
What does the arrow in a chemical reaction mean?
The new substances produced by a reaction are the _______?
What principle/law states that every chemical reaction causes a decrease in usable energy and an increase in entropy?
A chemical reaction that releases thermal energy is a ______ reaction.
Entropy means _____.
In thermodynamics, the part of the universe being studied is called the _____.
A chemical reaction that has the same number of each type of atom on each side of the arrow is said to be ______.
If a chemical reaction can occur by itself, without continuing outside help is it called ______.
The kinetic energy needed for molecules to chemically react is known as _____.
If the concentration is increased the reaction rate will:
In order to increase reaction rate by increasing surface area of a solid, which of the following would you do?
What is a substance that alters the rate of a chemical reaction without being permanently changed in the chemical reaction?
In a chemical reaction, if the reaction occurs backward and forward at the same time and rate then the system is said to be at ________.
What is not true of a catalyst?
A decrease in temperature will do what to a chemical reaction?
In gases increasing pressure will increase the rate of reaction. Which factor does it fall under?
If a reaction is at equilibrium the amount of the chemicals:
Why does increasing the kinetic energy of molecule make a reaction faster?
C2 + O2 → CO2
CaCO3 → CaO + CO2
Cl2 + 2NaBr → Br2 + 2NaCl
NaCl + AgNO3 → NaNO3 + AgCl
NH3 + HCl → NH4Cl
Mg(OH)2 + H2SO4 → MgSO4 + H2O
H2SO4 + Fe → H2 + FeSO4
Al2S3 → Al + S
Fe + O2 → Fe2O3
NH4NO3 → N2O + H2O
When an acid and a base mix together they react chemically to form salt and water. This is called what?
Purified water with a pH of 7
Substances that produce H+ when dissolved in water
Substances that produce OH- in a water solution
Vinegar; pH 3
Ammonia; pH 11.8
Any ionic compound that does not contain a hydrogen (H+) ion or hydroxide ion (OH-).
Have an hydroxide ion (OH-) bonded to a cation.
This measures the concentration of hydronium ions H3O+ in a solution to determine the acidity.
What color would litmus paper who it is used to measure an acid?
Most chemical compound are formed with which element?
Carbon forms how many covalent bonds?
_________ is the portion of a molecule is a recognizable group of atoms that is used to tell the difference between different organic molecular groups.
Hydrocarbons having a cyclic structure where electrons are shared
Hydrocarbons having only single bonds between carbon atoms
Have one or more atoms replaced with an -OH group
Hydrocarbons with one or more triple bonds
Hydrocarbons with one or more double bonds
This organic molecule contains a -COOH- group, and is a weak acid.
This organic molecule contain a -COO- group which if found in the middle of the molecules.
What is an object's change in position?
What is a mathematical quantity having both direction and magnitude?
Any change in velocity is known as _______.
This is often called the law of inertia.
This law states that for every action, there is an equal and opposite reaction.
This law implies that the force applied to an object is directly proportional to its acceleration.
This law says that the velocity of an object does not change unless the object is acted upon by an external force.
____________ is the tendency of an object to resist changes in its velocity.
When we see everyday objects in motion slowing down and becoming motionless, like a book sliding on a table, this is because of an unseen force known as __________.
What is the formula to calculate force according to Newton’s 2nd Law of Motion?
Measures displacement over time with both magnitude and direction.
What is the formula to calculate speed.
What category of physics included mechanics, thermodynamics, optics, acoustics and electromagnetism?
A fish uses it fins to push water backwards while the water react by pushing the fish forward. Which law of motion does this illustrate?
If you are in a car traveling at 60 mph and you crash into wall. Since you were not wearing a seat belt your body continues forward at 60 mph, even when the car as been stopped. Which law of motion does this illustrate?
Objects of different masses accelerate at _________ rate but with ________ forces.
What is a mathematical quantity that measure only magnitude (size or amount)?
Which of the following depends on the total length of an object's path?
According the Newton’s Second Law, if mass remains constant, doubling the acceleration will ______ the force.
Negative acceleration is also known as:
Answers by Educators Question Database
Answers by Educators Question Database
20. Transcribe the DNA into RNA: T A C T C G A T G A A G A C T
20. Translate the RNA from question number 20 to figure our the amino acids created from the sequence:
Which of the following devices does NOT make use of electrical energy?
Which of the following is NOT an example of a change caused by energy?
Sunlight is produced through ____ energy.
____ is an renewable resource.
Which of the following is NOT a way to conserve energy?
According to the law of conservation of energy, the total amount of energy in the universe ____.
Groups of cells that work together to perform a certain function are called _____.
Which of the following is an advantage to using fossil fuels?
The lowest possible temperature is ____.
Most materials ____ when they are heated.
Whenever two surfaces interact, some energy is transferred to thermal energy due to _____.
The nervous system takes in information through _____.
What do eukaryotic cells have that prokaryotic cells do not have?
Which system produces immune cells?
Heat is ____ energy that is transferred from one object at a certain temperature to another at a different temperature.
A limiting factor for using nuclear energy is the ____ produced.
Dry ice is a solid that changes directly to a gas when thermal energy is added. This is an example of _____.
A hot iron is turned off and cools down to room temperature. The iron cools because _____.
Adding thermal energy to a cup of water can cause the _____.
In which environment would you find evergreen trees, chipmunks, and moose?
Populations are made up of organisms that belong to:
All of the populations in an ecosystem make up a:
In a grasslands ecosystem, lions are predators that eat antelope. What impact would the sudden disappearance of lions most likely have on this ecosystem?
The role a species plays within a community is its
The role a species plays within a community is its:
If the rodent population decreases in a country ecosystem, what happens to the owls?
Organisms belonging to the same species living together in the same place at the same time are a
What components makeup a habitat?
All the organisms living in an area and the nonliving features of their environment make up a(n):
The actual yield of a product is
Percent yield of a product is a measure of a reaction's
In a reaction, substances A and B form substance C. If the actual mole ratio of substance B to substance A is less than the balanced equation mole ratio of substance B to substance A, substance B is
Limiting a reactant is often accomplished by
Calculating the mass of a reactant and product from the number of moles of another product or reactant in a chemical equation is an example of a
In the decomposition reaction of compound AB into substances A and B, what is the number of mole ratios?
Mole ratios for a reaction are obtained from the
In a balanced chemical equation, the numbers of individual particles and the numbers of moles of particles are represented by the
Stoichiometry is based on the law of conservation of
The SI unit of molar mass is the
A policy of using military power and money to prevent the spread of communism
An attack or threat of an attack by another country
Decrease in tensions between the United States and the Soviet Union
A foreign policy that seeks to limit our relations with other countries
A meeting which the President talks about important topics with the leaders of other countries
A group that advises the President on the country's safety
Information gathered about another country and what that country might be planning to do
Military and economic help to other countries
Why does the U.S. aim to increase trade?
What is the benefit of military alliances?
land granted to a vassal or knight
a noble who served a lord of higher rank
a group of craftsmen
a warrior in armor who fought on horseback
a person who worked the lord's land
Charlemange was the first Frankish leader to believe in what for all people.
Two important farming inventions of the Middle Ages that made turning over soil faster were the horse collar and what?
Medieval knights followed rules called the code of __________________.
In medieval towns, the townspeople paid _________________ to the lord in exchange for basic rights.
Because the buildings were made of wood and closely spaced, medieval cities could be easily destroyed by _________________.
Snow melts after a snowstorm because of the addition of _____.
An object that attracts iron and other materials that have magnetic qualities similar to iron is which of the following?
Temperature is a measure of ____ of the particles in an object.
When a substance is heated, the particles gain energy and spread out creating more volume. What happens to the mass of the substance when it is heated?
When a pot of water is put on a stove, the water at the top gets hot primarily by ____.
Snow forms in clouds because water vapor changes directly to ice. This is an example of _____.
Which of the following is NOT a function of the lymphatic system?
A liquid thermometer works because liquid ____ when warmed.
Which of the following equations defines the law of conservation of energy?
Heat is thermal energy transferred from one object to another because of a difference in ____.
Which type of cell has the biggest vacuoles?
Hydroelectric power uses _____ as a renewable energy source.
. During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of _____.
In years past, people would put a hot water bottle in bed with them to help warm their feet. The transfer of the warmth from the water bottle to their feet is called _____.
A compass needle’s magnetic north pole points toward which of the following?
What is the difference between a cell wall and a cell membrane?
When a rubber band is stretched, it has ____ energy.
When a rubber band is stretched, it has ____ energy.
This _____ surrounds a current-carrying wire.
Brian needs to generate some out-of-the-box sales promotion ideas for an upcoming tennis tournament. He is unsure of how to start, but he does know that the tournament’s marketers want to reach the 18-to-35-year-old crowd. How is Brian prepared for i
Which is a consideration when implementing a ticket sales campaign?
Sales promotion is a major part of sports or event marketing due to which situation?
What should one understand first when setting out to develop “out-of-the-box” sales promotion ideas for one’s game or event?
Which is one of the features of a sports event such as a football game?
Which is one of the main features of a sport product?
When a person ask, “How will my customers receive this sales promotion?” which step in the process of generating “out-of-the-box” sales promotion ideas are they doing?
When customizing a presentation, the salesperson determines the needs of a prospect by developing which component?
Why should salespeople create favorable impressions during the initial contact with sports or event customers?
What is a step in the sales presentation process that salespeople should prepare for in advance?
Which selling option is one that sports or event marketers are most likely to use to reach individual season ticket holders?
In planning to make calls, the salesperson focuses on learning more about which component?
When preparing for a sales presentation, a salesperson decides to greet a prospective customer by asking if she would like to save money on office supplies. This is often called which type of approach?
What is the purpose of scripts for salespeople while they are presenting?
A sports marketer has developed a sales packet that contains a team brochure, schedule, and a season ticket application. Why should all of the materials have the same basic appearance?
When writing a script for a sales presentation, a salesperson should use language that has which features?
When preparing handouts for a sales presentation, it is important for a salesperson to know what about the audience?
To develop long-term relationships with fans, professional sports teams should do which activity?
How can sports or event marketers establish positive relationships with their customers or clients?
What is a benefit of establishing good relationships with sports or event customers and fans?
Answers by Educators Question Database
Answers by Educators Question Database
What is the function of the cell walls?
What is active transport?
What is passive transport?
Do cells in multi-cellular organisms perform all of the tasks of the organism or one special job?
What is a tissue?
What are Ribosomes?
If an object is attracted to a magnet, the object is most likely make of
What form of energy causes an ice cube to melt?
Which unit of measurement can be used to describe the length of a desk?
Which force causes a marble to sink in the bottom of a glass of water?
What motion causes day and night?
An object's hardness, taste, and texture are examples of
Growing thicker fur in the winter helps some animals to
Apple trees can live for many years, but bean plants usually live only a few months. This statement suggests that
A decrease in air temperature from 60 degree F to 35 degrees F would most likely cause a person to
Some birds fly south before winter each year. This is an example of
The long neck on a baby giraffe is
Living things depend on energy from
Which adaptation often helps an animal attract a mate?
A decomposer is an organism that
A girl in a wheelchair using a ramp to enter a building is an example of which simple machine?
What is the source of energy for the water cycle?
Which two protists are considered plant-like and can make their own food using photosynthesis?
Which protist uses cilia as its form of movement?
What is the purpose of an eye spot?
Which protist moves using flagella?
How is an amoeba different from a plant or flower?
How are volvox living in a colony similar to the organization of a multi-cellular organism?
Which organelle allows a plant to make food?
Which organelle is necessary for providing energy to the cell?
Which organelle acts as the brain of the cell?
Which two organelles are found only in plant cells?
Which organelle acts as a storage center for the cell?
What is the function of the nucleuar memebrane?
What is cytoplasm?
What is the general shape of a plant cell?
What important material is found inside the nucleus?
An eukaryotic organism that has a simple cell structure. Have different ways to move such as cillia, flagella, or pseudopodia. examples are slime molds, algae and ameobas.
Prokaryotes that are either spherical, spiral or rod shaped. They also lack chlorophyll, reproduce by fission and basically live everywhere
Prokaryotes that have cell walls and are found only in extreme environments
Which System deals with the exchange of oxygen and carbon dioxide between air and blood?
Relationship between two species of plants and animals in which one benefits and one is harmed
Which system transmits sensory and motor information throughout the body?
Made up of more than one monomer. A primary energy source for cells, examples are sugars and starches
Organism with membrane bound organelles
Made up of more than one molecule, normally form chains/structures
Cell division where that results in two daughter cells that have the same number of chromosomes and are identical copies of the parent cell
Concentration of dissolved substances is lower than the concentration inside the cell, water moves into the cell.
Stores information in the form of a code. structural unit of nucleic acids such as DNA
System who's job is to secrete hormones directly into the bloodstream
Made up of amino acids, are large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms. act as enzymes
Eukaryotic cells that get their food by decomposing matter or eating off their hosts are parasites. They do not possess chlorophyll. They reproduce through spores.
Concentration of dissolved substances is higher than the concentration inside the cell, water moves out of the cell.
Relationship where both organisms benefit
Simplest living things. They have no membrane bound organelles.
Ability or tendency to maintain internal stability in an organism to compensate for environmental changes
Waste products from the blood are filtered out through the kidneys and excreted as urine
Which sentence correctly uses a dash/dashes to replace a comma/commas?
Which sentence correctly uses a dash to replace commas?
What can ellipses be used for?
What can a dash be used for?
Which sentence is properly punctuated?
Which sentence is properly punctuated?
Which sentence is properly punctuated?
Which sentence is properly punctuated?
Which sentence is properly punctuated?
Which sentence is properly punctuated?
The cause of WW1 symbolized by the letter - M - ?
The cause of WW1 symbolized by the letter - A - ?
The cause of WW1 symbolized by the letter - I - ?
The cause of WW1 symbolized by the letter - N - ?
What event was the - SPARK - that triggered WW1?
Which of the following was not a member of the - Triple Entente - ?
Which of the following was not a member of the - Triple Alliance- ?
Gavrilo Prinicip was ...?
Pan-Slavism - This means...?
Pan - Germanism -- This means...?
What military style best describes Warfare during WW1?
What chemical weapon was used extensively during World War 1?
The area between trenches was known as ...?
What technological advancement in weapons was used FOR THE FIRST TIME during WW1?
What weapon did the German's develop during WW1 to counter the strenth of the British Navy?
Which of the following Describes the United States involvement in World War 1?
What factor at home led the Russians to pull out of the war in 1917?
What disease were soldiers particularrly susceptible to during WW1?
The conditions of World War 1 were particularly mentally hard on soldiers this led to a condition know at the time as...?
Bonus Question - The treaty that ended WW1 was...?
11. Just like DNA, RNA is a nucleic acid so it is made up of
12. Use your diagram to answer the question, what is labeled A?
12. Use your diagram to answer the question, what is labeled B?
12. Use your diagram to answer the question, what is labeled C?
13. What type of RNA is responsible for delivering an amino acid to the polypeptide chain during translation?
13. What type of RNA makes up the ribosome?
13. What type of RNA delivers the instructions for creating proteins from the nucleus to the ribosome?
Which of the following are two difference between DNA and RNA?
15. What happens during the translation stage of protein synthesis? Where does it occur?
15. What happens during the transcription stage of protein synthesis? Where does it occur?
17. What are the monomers of proteins?
18. DNA contains the instructions to build proteins. A segment of DNA that codes for proteins is known as a _________?
19. How many nucleotides are needed to code for 1 amino acid?
Answers by Educators Question Database
Answers by Educators Question Database
What are the two factors that affect gravity?
What type of energy occurs when a lamp is turned on?
Trial
Trial
Trial
Trial
Trial
Trial
Trial
Trial
My friend, who believes that ____ have souls, has become a vegan so she will only eat food that comes from plants.
A cartoonist made several drawings to ____ the hot air balloon so that it appeared to float away.
I am always impressed with how an ____ can make a fictitious character moe and act so realistically.
A chair is an example of an ____ object.
The ___ lion preys on the unsuspecting gazelles that are grazing in the open field.
Some religions believe that after you die, your soul will ____ with an new body.
Lindsay could hardly feel the ____ pain after her fall because she was so embarrassed that she tripped in front of her friends.
The ____ stitched up my wound and told me to rest for the evening.
We are currently studying the laws of gravity in _____ .
Albert Einstein is one of the most accomplished _____ ever.
Which direction do prevailing westerlies usually flow?
What weather results as a warm front moves through an area?
What tool would a meteorologist use to measure humidity?
What will result if air pressure is falling? (Low Pressure)
When the jet stream dips down over the southeast, what will happen to the temperature?
An air mass forms over the Gulf of Mexico and moves east. Why type of weather will it bring?
The water droplets on the outside of a glass are an example of which part of the water cycle?
What is the cause of rising temperatures of the Pacific that brings extreme weather conditions?
Why is there more precipitation at the equator?
What other weather condition is most likely affected by rainfall during the summer in NC?
The Nazi campaign to imprison inferior people included which of the following targets?
Which of the following terms best describes the giving in to demands in order to maintain peace?
Which of the following terms best describes the Holocaust?
Which person was the leader of the Soviet Union during WWII?
An economic system in which citizens own private property as well as the means of production and are entitled to profit from that ownership?
A political and economic system in which the major productive resources in a society-such as mines, factories, and farms-are owned by the government, public or the state, and wealth is divided among citizens equally or according to individual need.
This was the Main Danger from conflicts during the Cold War.
Stretching from the Baltic to the Adriatic, this descended across the European Continent in 1946 dividing communist and non-communist nations.
The USSR responded to the formation of the nation along this parallel.
Ho Chi Minh led this region during the Viet Nam War.
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¿Qué tienes que hacer?
Tengo que desempolvar.
aspirar la casa
planchar
hacer la cama
sacar la basura
dar comida al perro
tengo que lavar la ropa
cortar el césped
cuidar niños
hacer la tarea
lavar los platos
tengo que organizar el cuarto
What Is convection?
What is divergent boundary?
What is the Theory of plate tectonic?
What is transform boundary?
What is convergent boundary?
What Is a hot spot?
What is subduction?
What is an epicenter?
Seismic waves
What is focus?
What evidence did Alfed Wegener provide to support his idea of continental drift?
How is new sea floor made at mid-ocean ridges?
Have the magnetic poles of Earth switched multiple times?
What is the difference between a red eruption and a grey eruption?
What are nutrients?
What are proteins made of?
What is the difference between mechanical and chemical digestion?
What is the main function of the excretory system?
What is taxonomy?
Why do scientists organize living things into groups?
What is binomial nomenclature?
An organism's scientific name consists of
Which is the broadest classification level?
Which classification level is broader than the phylum level?
Which kingdom includes only multi cellular heterotrophs?
Which kingdom includes only prokaryotes?
Which of the following characteristics do all plants share?
Which of the following kingdoms include both unicellular and multi cellular organisms?
What is a characteristic of archaebacteria?
Which of the following kingdoms have heterotrophs and autotrophs in them?
What is the only kingdom to contain only autotrophs?
A mushroom belongs to which kingdom?
A cat's scientific name is Felix domesticus, which genus does it belong to?
What is the smallest unit of life?
Cells working together are known as what?
What part of the cell is the control center?
What part of the plant cells capture energy from the sun during photosynthesis
Answers by Educators Question Database
Answers by Educators Question Database
In an ecosystem, a sudden decrease in the number of bacteria in the soil would most likely result in
Medicines are being produced using recombinant DNA technology. For veterinarians, the use of this DNA technology will result in
Which of the following best gives the levels of organization within a multi-cellular organism?
Which organ system works to transport and deliver nutrients, gases and wastes from the body?
Which two systems work together to deliver oxygen to the cells?
What is the primary purpose of the excretory system?
How does smoking affect the body?
How do the skeletal and muscular systems work together?
What is homeostasis?
What process occurs when saliva in the mouth causes chemical changes to food?
What process occurs when teeth in the mouth cause physical changes to food?
A student is running and begins to sweat. To what stimulus is the body responding?
Which organs are responsible for gas exchange?
Which organs store and remove urine from the body?
Why do different cells have different shapes?
Which organ system is responsible for protecting us from pathogens and other infectious diseases?
Which system is responsible for controlling our body's processes?
If the Northern Hemisphere is having winter, the Southern Hemisphere is having
The place where no trees grow is called
Prevailing winds and the presence of mountains are two factors that affect
A thin tree ring indicates the year was
Which climate typically has cold winters and hot summers?
The main cause of ozone depletion is
What determines the climate of an area?
Earth rotates around
Gases in the atmosphere that trap solar energy are called
Permanently frozen tundra soil is called
From where does the majority of water evaporate?
Which process involves the falling of rain, snow, sleet or hail?
Which process involves water moving from plants/leaves into the atmosphere as water vapor?
When water rolls of of the surface and seems into the ground or goes into another body of water, what is the process known as?
The majority of Earth's atmosphere is composed of which gas?
What is the second most abundant gas in our atmosphere?
What happens to temperature as altitude increases in the troposhpere?
What are the layers, in order, of our atmosphere beginning closest to Earth?
Which layer is responsible for protecting us from harmful UV radiation?
How does pressure change as altitude increases?
What is the majority of gas in our atmosphere?
In which layer do we live, and is also the layer in which weather occurs?
How does the amount of air molecules change as altitude DECREASES?
As you climb a mountain, what happens to the temperature of the air?
What is the relationship between altitude, temperature, density and air pressure in the troposphere?
Schleiden AND Schwann declared that
Which cell structure contains the cell's genetic material?
Which structures carry out cell movement?
Which organelle converts the chemical energy stored in food into compounds that are easier for the cell to use?
Diffusion occurs because
Energy is released from ATP when
Which of the following are used in the overall reactions for photosynthesis?
Most plants appear green because chlorophyll
The light-collecting units of a chloroplast are the
What are the products of the light-dependent reactions?
The Calvin cycle takes place in the
What are the reactants in the equation for cellular respiration?
The starting molecule for glycolysis is
During one turn, the Krebs cycle produces
Which of the following passes high-energy electrons into the electron transport chain?
Cellular respiration uses one molecule of glucose to produce
When during the cell cycle are chromosomes visible?
When during the cell cycle is a cell's DNA replicated?
Which of the following represents the phases of mitosis in their proper sequence?
The two main stages of cell division are called
All of the following are characteristics of Texas during the Great Depression EXCEPT—
Which event was the first to begin?
The arrival in Texas of the industries described above was the direct result of—
Which of the following was NOT an economic effect of World War II on Texas?
How did the Dust Bowl impact Texas society?
How did New Deal programs improve the lives of Texans during the Great Depression?
Why were many military bases during World War II built in Texas?
Which conclusion accurately describes the change in cotton production in Texas during the 1930s and 1940s.
Which inference about population in Texas during the 1930s and 1940s is best supported by data in the maps?
As a result of the dust storms —
How did the Dust Bowl affect economic development in Texas?
How did Texas act to manage problems arising from the Dust Bowl in the 1930s?
· Served in the Texas House of Representatives Served as the Speaker of the House for the U.S. House of Representatives Served as vice-president during FD Roosevelt's first two terms
Who was the leader of the Soviet Union at the end of WWII?
This organization was formed in 1945 to promote peace through international cooperation.
This city has been the headquarters of the United Nations since 1952.
The global struggle for power between the United States and Soviet Union that lasted for more than 40 years.
In this economic system, farms and businesses are privately owned by individuals.
According to Karl Marx, farms and businesses would be owned by the workers for the benefit of all.
What did Joseph Stalin often do to people that opposed him?
U.S. policy developed in the 1950s to stop the spread of communism.
A U.S. aid program that gave money to the countries of Western Europe to rebuild after WWII.
First conflict of the Cold War.
U.S. alliance or team that started during the Cold War.
Soviet alliance or team during the Cold War.
When did the Cold War end?
What country emerged victorious from the Cold War with more allies and a stronger economy?
This President promised that the U.S. would put a man on the moon in the 1960s.
What type of weather occurs within a high pressure system?
What type of weather occurs within a low pressure system?
Which term best describes a large section of the lower troposphere that has the same weather throughout?
What is the cause of wind blowing?
Where do thunderstorms form?
Which type of storm is produced by thunderstorms and has high spiraling winds, extremely low pressure and forming over land?
Which type of clouds are associated with stormy weather or thunderstorms?
Which types of clouds are big, puffy, and bright white?
Which type of air mass is warm and dry?
Which type of air mass is moist and cold?
Answers by Educators Question Database
Answers by Educators Question Database
A student pours water into a cup and places the cup in a freezer. After many hours, the water will change from
Which energy transfer occurs when a student blows a whistle?
Which object is the best conductor of electricity?
Which color baseball cap would absorb the most light on a sunny day?
Which force causes a soccer ball to fall to the ground after it has been kicked up in the air?
Volume and mass are properties of
Which tool should a student use to examine spots on a frog?
Which process is common to most living things?
Which trait can children inherit from their parents?
During which process do animals increase in size?
Which structure takes in water and nutrients from the soil?
Which structure produces seeds for reproduction?
An octopus squirs black ink around itself to hide from predators. This adaptation is an example of
The correct order of a plant's stages of growth and development is
In the spring and early summer, bears often scratch their backs against trees to remove winter fur. This is an example of an animal
Once the cause of stress has been identified, there are no behaviors that can lessen the effect of or eliminate the stress.
Which of the following is a benefit to getting an adequate amount of sleep?
Positive coping skills include all of the following EXCEPT:
Positive coping skills include all of the following EXCEPT:
Change in diet, sleep patterns, and routine are all __________ signs of stress.
Which of the following is NOT an anxiety disorder?
In general, anxiety disorders __________.
Which of the following is NOT an anxiety disorder?
Which of the following is most likely to create depression?
Which of the following statements BEST describes paranoid schizophrenia?
If you suspect someone you know may attempt suicide, you should __________.
Which of the following is NOT true?
Emotional intelligence can give you the ability to __________.
Which of the following statements describes mental disorders?
Anxiety disorders are __________.
The causes of mental disorders include __________ factors.
Which of these statements BEST summarizes the cause of mental health disorders?
Which of the following is NOT a mental health professional?
Which of the following are treatments for mental health disorders EXCEPT:
An environmental factor that contributes to mental illness is __________.
During which stage of a plant's life cycle will a flower develop?
What plant structure allows a plant to perform transpiration, photosynthesis, and respiration?
What occurs when pollen is transferred to the stigma of a flower?
What process produces a seed in a plant?
What is the purpose of the colorful flower on a plant?
What type of energy does a burning fire produce?
What type of energy exists when a rubber band is stretched?
What is kinetic energy?
When enrgy changes from one form to another, this is known as a _________.
What energy transformation takes place during photosynthesis?
Law of Conservation states that energy cannot be _______.
What simple machines can be found in an axe?
what form of energy drives the water cycle?
A plant's response to light
What tool is used to measure force?
A bar that is free to pivot on a fulcrum
What object in a database contains related data?
What does RDBMS stand for?
What is a description of data and the organizing into tables
What is a database object used for entering records into tables?
What is the term meaning adding records to a database
Which view displays a table in a datasheet where fields are in columns and records in rows
Modifying a Record
A Last Name field is a good candidate for a primary field
Appended data overwrites existing records in a table
What type of query displays a dialog box at run time so that criteria can be entered
What is used to hold text and other content on a slide
The content on a slide should contain everything that the speaker plans to say
A footer can be placed on individual slides and on a printout
The way one slide changes to the next
The marking made on a slide to help the audience better understand the content
A master document that includes the basic elements for a particular type of document
An email address typed on a slide requires formatting to make it a hyperlink
To make a slide more readable there should be (more or less) contrast between the backround and the font color
You can add graphics to a slide
It is possible to print more than one slide on a page
Mrs. Lund is the best computer applications teacher
What is the Geologic Time Scale?
What is relative age?
What is absolute age?
Are the oldest rock layers located at the bottom of a rock column or the top?
Who developed the theory of uniformitarianism?
What organisms live during the Pre-Cambrian Time?
What organisms live during the Mesozoic Era?
What organisms live during the Cenozoic Era?
How old do most scientists think that the Earth is?
What is the age of the Dinosaurs?
Red flower color is dominant to white flower color in rose plants. What is the expected result of a cross between two heterozygous rose plants?
To classify an organism a scientist finds in the field, which of these will the scientist first compare to other known organisms?
For a growth curve to continue to increase exponentially, which of these most occur?
What did Rosalind Franklin contribute to the understanding of DNA molecules?
Darwin's explanation for evolution was dependent on which scientific concept?
Which helps scientists best determine the age of fossils?
A student is investigating the effect of plants on indoor air quality and states, If plants are added to an indoor environment, the air quality will improve. This statement is an example of --
Studying the differences between fossils and modern organisms helps scientists better understand the:
The weakness of hydrogen bonds between the bases of DNA allows:
Which of these would most likely result in a change to the current classification of an organism?
Five species of frogs that live in separate habitats within 5 non-overlapping ranges along the Mississippi River share a common ancestor. Which process is most likely responsible for the formation of these different species?
Seaweeds occupy an important niche in the Chesapeake Bay ecosystem. Which question will best help a student identify the role of seaweeds in this ecosystem?
In 1950, Chargaff discovered that the percentage of adenine in DNA equals the percentage of thymine and that the percentage of cytosine equals the percentage of guanine. This proved invaluable to the eventual discovery of which aspect of DNA?
The study of embryos and other early stages of development can help in the classification of living things, past and present, by providing clues about the
Which characteristic do most adult fungi and plants share?
Students used a dissolved oxygen probe during a laboratory activity involving 1000 mL samples of pond water. The function of the probe is to
In a population of 120 oak trees, 25% of the population has oak wilt disease. What is the number of trees in this population that will have oak wilt?
An insect called the hemlock woolly adelgid was introduced to a VA ecosystem. This pest feeds on the nutrients stored in the hemlock tree, resulting in the death of the tree. Which kind of data would help a student evaluate the effect of the insect
Answers by Educators Question Database
Answers by Educators Question Database
An issue the colonists had with the British was the fact they had no representation in what?
This restricted the colonists movement west.
He the king of Great Britain during the Revolutionary War.
-Give me liberty or give me death--
He went on a mid-night ride to ward the colonists that the British were coming.
The first armed conflicts of the Revolutionary war were the battles of ________ and _________.
This was the turning point of the Revolutionary war.
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