Which list ranks the gases in the present-day atmosphere from most abundant to least abundant?
A) oxygen, carbon dioxide, nitrogen, and argon
B) argon, nitrogen, oxygen, and carbon dioxide
C) nitrogen, oxygen, argon, and carbon dioxide
D) carbon dioxide, oxygen, nitrogen, and argon
E) oxygen, nitrogen, argon, and carbon dioxide
Answer: C) nitrogen, oxygen, argon, and carbon dioxide
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