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 (chlorofluorocarbons) ; 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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