Physics, 30.11.2020 01:00, brittanysanders

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.

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Which one of the following choices was not a stage in the formation of Earth's atmosphere? A. A s...