sasha20 sasha20

24-05-2016
History

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What gas important to life was abscent from earths earliest atmosphere?

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evil1112 evil1112

24-05-2016

don't fully quote me on this but I think it was hydrogen

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24-05-2016

The water vapor, carbon dioxide, and methane acted as greenhouse gases, trapping heat and insulating the early Earth during a critical period in its development. Of oxygen, meanwhile, the early atmosphere held barely a trace.

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