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PhysicsPhysics
Mercer
Select all the correct answers.

Which two statements are true?

A moving magnetic field creates an electric field.

A constant magnetic field creates an electric field.

A constant electric field creates a magnetic field,

A moving electric field creates a magnetic field.
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PhysicsPhysics
Shannon Becker
How many copies of H2O are required to balance this chemical equation? CH4 + 2O2 CO2 + __H2O A. 1 B. 2 C. 3 D. 4
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Tinker
Use the term sister chromatids in a sentence.
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Eve Bender
Suppose a star that is 500 light - years away from earth is moved to be 600 light - years away. Which statement is correct?

A. the value of the star's absolute magnitude decreases.

B. the value of the star's absolute magnitude increases.

C. the value of the star's apparent magnitude decreases.

D. the value of the star's apparent magnitude increases.
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PhysicsPhysics
Lucille Wiggins
A + B → C + D

If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed?

A) 0 grams

B) 1 gram

C) 2 grams

D) 4 grams
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Kellen Baldwin
The amount of a fossil fuel that can be extracted at a profit using current technology is called what?
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PhysicsPhysics
London
What is the effect on the volume of a rectangular prism if the width is doubled and the hight is reduced to half of the original height?

A) the volume is doubled.

B) the volume is halved.

C) the volume is tripled.

D) the volume is unchanged.
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PhysicsPhysics
Lane Irwin
What is the force of gravity between two 3.0 kg masses 1.0 m apart?
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PhysicsPhysics
Diego Wise
Does a car that is slowing down always have a negative acceleration explain
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PhysicsPhysics
Robin
Niagara Falls is a good example of

a.

kinetic energy being converted into potential energy.

b.

potential energy being converted into kinetic energy.

c.

energy being lost.

d.

energy being created.
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PhysicsPhysics
Arnav Beard
Which of the following statement (s) about energy and phase is/are correct? Select all that apply. Choose one or more: A. While only one phase is present, adding or removing energy changes PE but not KE. B. While only one phase is present, adding or removing energy changes KE but not PE. C. During a phase change, adding or removing energy changes KE but not PE. D. During a phase change, adding or removing energy changes PE but not KE.
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Fatima Wu
State a source of direct current
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Mila Gibbs
If i got an C + 77% in my science class but i got an 3 F's 0% recently on a science fair project, What will my grade go down to?
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PhysicsPhysics
Salma Navarro
What is the process called in which water vapor and carbon dioxide retain heat?
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PhysicsPhysics
Walker Hardy
Which of the following statements is true?

A. Science is not concerned with how the universe began.

B. There is a scientific theory for how the universe began, but there is no scientific evidence to support it.

C. Science has no generally accepted theory for how the universe began. D. Science has a generally accepted theory for how the universe began.
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