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Home Q & A Board Science-Related Homework Help Physics
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christyjames christyjames
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Posts: 318
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6 years ago
Earth's first atmosphere was composed of
A) oxygen, hydrogen, and helium.
B) hydrogen and helium, with trace amounts of ammonia and methane.
C) gases from volcanic eruptions.
D) oxygen, water vapor, carbon dioxide, and methane.
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eisman32eisman32
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6 years ago
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christyjames Author
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#2
6 years ago
Appreciate the effort you put into answering, thank you!
wrote...
#3
6 years ago
You're very welcome
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