Question

Two Earth's atmosphere​

Answer 1

Answer:

The second atmosphere, which was the first to stay with the planet, formed from volcanic outgassing and comet ices. This atmosphere had lots of water vapor, carbon dioxide, nitrogen, and methane but almost no oxygen. ... Without an ozone layer, life in the early Earth was almost impossible

Explanation:

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Answer 2

Answer:

The stratosphere is the second-lowest layer of Earth's atmosphere.

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