What gases do scientists think may have been in the early atmosphere? *

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25-01-2021
Chemistry

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What gases do scientists think may have been in the early atmosphere? *

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therealnyiah therealnyiah · Answer 1 · 2021-01-25T17:28:17+01:00

therealnyiah therealnyiah

25-01-2021

The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.

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