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Setler79 [48]
3 years ago
14

PLEASE HELP! I need an answer ASAP!

Biology
2 answers:
11111nata11111 [884]3 years ago
7 0

Gravity , Explosion

<u>Explanation:</u>

Nebulae are made of dust and gases—mostly hydrogen and helium. The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger.

Eventually, the clump of dust and gas gets so big that it collapses from its own gravity. The collapse causes the material at the center of the cloud to heat up-and this hot core is the beginning of a star.

zimovet [89]3 years ago
4 0

Answer:

Gravity, explosion

Explanation:

I just took the test

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The difference in an area with high concentration and an area with low concentration is called:.
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The difference in an area with high concentration and an area with low concentration is called concentration gradient.

<h3>What is concentration gradient?</h3>

Concentration gradient refers to the difference between the concentrations of two solutes in a solution.

A solution usually contains an area or region with higher concentration and an area with lower concentration.

The difference between these two areas of different concentrations is referred to as a concentration gradient.

Learn more about concentration gradient at: brainly.com/question/13050811

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3 years ago
Fossils of Thrinaxodon, a species that lived during the Triassic period, have been found in both South Africa and Antarctica. Th
tekilochka [14]

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<u>Option-</u>

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