The principal greenhouse gases in our present atmosphere are
a) hydrogen and helium.
b) oxygen and nitrogen.
c) water vapor and carbon dioxide.
d) methane and ammonia.
e) sulfuric acid vapor and CO2.
Answer: c) water vapor and carbon dioxide.
The principal greenhouse gases in our present atmosphere are
a) hydrogen and helium.
b) oxygen and nitrogen.
c) water vapor and carbon dioxide.
d) methane and ammonia.
e) sulfuric acid vapor and CO2.
Answer: c) water vapor and carbon dioxide.
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