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kati45 [8]
3 years ago
8

Which statement about matter is correct? A) In matter, molecules never stop moving. B) In the solid state, molecules stop moving

. C) Pressure and temperature do not affect matter. D) Liquids have a lower level of energy than solids.
Physics
2 answers:
Komok [63]3 years ago
8 0

Answer: A

Explanation:

Nata [24]3 years ago
3 0
I believe the correct answer is A. i hope i helped, have an amazing day:)
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I was processing over this one i can tell u! C or D got me stumped, please help me
r-ruslan [8.4K]
D. be transported from place to place
because it does allow c to happen but not directly as it would have to go through condensation first.
When the water is evaporated in the air it can be moved from place to place by the wind.
3 0
3 years ago
Explain how wavelength and frequency are important in determining the type of light.
asambeis [7]
It is important to note that the electromagnetic spectrum has a variety of wavelength and frequency of light in it. Some lights we can see, while others are not visual to our naked eye. It is actually very important to determine the kind of light as different lights have different wavelengths and frequencies. some lights are of very high frequency like the gamma rays, while others are of far lower frequency. <span />
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3 years ago
Please help 25 points!
cricket20 [7]
<h3>2 Answers:</h3>

a) Velocity is a vector quantity

e) Velocity is a speed with direction

=================================================

Explanation:

If we know the velocity of an object, then we know how fast it's going (speed) and where it's going (direction). It is a vector because the direction of the vector determines the direction, and the length of the vector (aka magnitude) determines the speed. So in a sense we've built in two facts of data into one visual.

An example of velocity: 10 miles per hour north. Here we have the speed of 10 mph and the direction north.

-------------------

Extra info:

  • Choice B contradicts choice A, so we can cross choice B off the list.
  • Choice C is false because speed is a scalar, or single quantity, and not a vector. As mentioned earlier, speed is a part of velocity, but they aren't the same exact thing.
  • Choice D is false because the velocity does not account for net force. We don't have any force information built into the velocity.
8 0
3 years ago
Read 2 more answers
When an apple is cut, it often turns brown. What does the color change indicate?
IrinaK [193]

When an apple is cut (or bruised), oxygen is introduced into the injured plant tissue. When oxygen is present in cells, polyphenol oxidase (PPO) enzymes in the chloroplasts rapidly oxidize phenolic compounds naturally present in the apple tissues to o-quinones, colorless precursors to brown-colored secondary products. so it will be c

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What is a substance?
ycow [4]

A.a uniform mixture that can’t be separated

"substance" seems vague here

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3 years ago
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