Multiple Choice
Stanley Miller's 1953 experiments assumed that early Earth's atmosphere contained
A) hydrogen cyanide, formaldehyde, hydrogen gas, and water vapour.
B) ammonia, methane, hydrogen gas, and water vapour.
C) ammonia, methane, oxygen gas, and water vapour.
D) amino acids, methane, hydrogen cyanide, and water vapour.
E) methane, formaldehyde, ammonia, and carbon dioxide.
Correct Answer:

Verified
Correct Answer:
Verified
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