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nexus9112 [7]
3 years ago
5

The big bang produced an imprint of leftover heat called _____. hydrogen cosmic heat CMB radiation redshift

Physics
2 answers:
maks197457 [2]3 years ago
8 0

I believe the answer you are looking for is CMB Radiation

Doss [256]3 years ago
6 0

The big bang produced an imprint of leftover heat called <u><em>CMB radiation.</em></u>


That is the answer.

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Svetllana [295]
Researchers found the "cosmic microwave background radiation", which is a heat imprint left over from the big bang.

The redshift of light emitted by most galaxies indicates the universe is expanding.

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3 years ago
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What do extremely massive stars end their life as?
IrinaVladis [17]

The most massivest stars end their lives as black holes. <em>(D)</em>

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Describe the effects of heat​
astraxan [27]

1. Heat raises the temperature.

2. It increases volume.

3. It changes state.

4. Brings about chemical action.

5. Changes physical properties.

<h3>Hope this helps :)</h3>
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2 years ago
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PLZ Help ASAP
Tasya [4]

Answer:

C. Fill two identical pots with equal volumes of salt water and tap water and use a stopwatch to determine the time it takes each pot to boil.

Explanation:

<u>A) is incorrect</u> because Peter should have the same testing environment for both of his experiments.

He should choose the same method of boiling the salt water and tap water because the stovetop and the microwave could also affect the results and make them unreliable.

<u>B) is incorrect</u> because Peter should not estimate the time it takes the salt water and tap water to boil.

Peter should measure and record the amount of time that it takes these substances to boil in order to have an accurate, valid experimental thesis.

<u>C) is correct</u> because Peter uses the same volume of salt water and tap water, fills them into two identical pots, and uses a stopwatch to determine the amount of time it takes each pot to boil.

The stopwatch makes the experiment more valid and accurate compared to the previous methods, and the identical pots and amounts of water help this experiment become even more precise.

<u>D) is incorrect</u> because the variables in the experiment are not controlled amounts and will therefore produce an inaccurate and invalid experiment.

6 0
2 years ago
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Why are collisions between galaxies more likely than collisions between stars within a galaxy?
KatRina [158]

Answer:

stars share a gravitational force with the galaxy while nearby galaxies do not share a gravitational field.

Explanation:

stars will not collide because they are bound by a gravitational orbit around the galaxy

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