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Which one of the following choices was not a stage in the formation of Earth's atmosphere? A. A super-dense atmosphere composed mostly of methane. B. A volatile atmosphere composed of carbon dioxide and
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Which one of the following choices was not a stage in the formation of Earth's atmosphere?

A. A super-dense atmosphere composed mostly of methane.
B. A volatile atmosphere composed of carbon dioxide and water vapor.
C. An oxygenated atmosphere with nitrogen and free oxygen.
D. A primordial atmosphere composed of hydrogen and helium.

User Jayanti Lal
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3 votes

Answer:

A

Step-by-step explanation:

cause I'm big brain :)

User Ricardo Fiorani
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