Posted: August 12th, 2016
Atmospheric chemists think that Earth’s first atmosphere
Atmospheric chemists think that Earth’s first atmosphere
A.
consisted of carbon in the form of carbon dioxide.
B.
consisted of carbon in the form of carbon monoxide.
C.
contained nitrogen in the form of ammonia and nitrogen gas.
D.
was very similar to today’s atmosphere.
E.
contained no oxygen atoms.
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