Multiple Choice
_________________ and _________________ are the two common gases that lessen re-radiation of heat back into the space and, hence, contribute to increasing temperatures on Earth.
A) CFCs (chloroflorocarbons) ; halons
B) carbon dioxide; methane
C) sulfur dioxide; nitric acid
D) nitrogen gas (N2) ; ammonia
E) water vapor; nitrogen gas (N2)
Correct Answer:
Verified
Correct Answer:
Verified
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