Question

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Which statement best describes the thermosphere?

The thermosphere sits directly below the troposphere.

Lighter gases such as nitrogen and oxygen rise to the top of the thermosphere.

Heavier gases such as hydrogen and helium stay at the bottom of the thermosphere.

The atmosphere is so thin that gas molecules rarely contact each other.

Answer 1

the answer is "The atmosphere is so thin that gas molecules rarely contact each other."

Explanation: just took the semester test

Answer 2

I think the second one

Step-by-step explanation:

its the only one that makes since tell me if I'm wrong