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Fiesta28 [93]
3 years ago
11

What is the answer to this question

Physics
1 answer:
leva [86]3 years ago
7 0
The answer is A 0 degrees is the freezing point of water



Plz mark brainliest
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2. physical quantities which do not depend on any physical quantities for their measurements are known as​
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Answer:

Fundamental quantities

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2 years ago
Which of the following is a sample of igneous rock?
Blizzard [7]

Answer:

I would say it's B. But just in case here is some information if I'm wrong.

Explanation:

Igneous rocks are very dense and hard. They may have a glassy apprearance. Metamorphic rocks may also have a glassy appearance. You can distinguish these from igneous rocks based on the fact that metamorphic rocks tend to be brittle, lightweight, and an opaque black color.

Hope this helps!

Please mark me Brainliest! :)

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3 years ago
Convection currents in air and water occur because _____. warm fluids are less dense than cold fluids cold fluids are less dense
GrogVix [38]
Warm fluids are less dense than cold fluids.
4 0
3 years ago
Read 2 more answers
Describe how day length is affected by the tilt of the earths axis
igor_vitrenko [27]

It does not.

The speed at which the earth rotates determines the length of the day.


7 0
2 years ago
Superman is riding his bicycle. At the base of a hill, he has a specific amount of kinetic energy. Then he coasts up the hill wi
algol13

Answer:

D. Friction and air resistance created heat on his trip up the hill.

Explanation:

Energy transformation from one form to another is not 100% efficient. This is the postulate of the first law of thermodynamics.

Most of the energy transformation is not purely 100%.

When energy is transformed, some are usually wasted.

  • In this case, in moving from bottom up, Superman produced some heat and encountered air resistance.
  • To reach the top, he must have overcome the resistance and produce enough heat to power him through.
  • This reduces the amount of potential energy that should have been the same as the kinetic energy down below.

7 0
3 years ago
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