Chemistry, 30.07.2021 03:30, mxlx27

The first atmosphere a. consisted mainly of water, carbon dioxide, carbon monoxide, and methane. b. was replaced by a secondary atmosphere that, arguably, consisted partially of gases brought to the Earth by comets. c. was replaced by a secondary atmosphere only after the Earth developed gravity, which helped deflect the solar wind. d. dissolved into the Earth's oceans before it was replaced by a second atmosphere.

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The first atmosphere a. consisted mainly of water, carbon dioxide, carbon monoxide, and methane. b....