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5 votes
Which is one of these is NOT a greenhouse gas and thereby not responsible for global warming?

Answer choices:
(A) Co2
(B) Nitrogen
(C) Methane
(D) Water Vapor

User Archdoog
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1 Answer

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I believe the correct answer is B) Nitrogen.

Nitrogen is not a greenhouse gas (it’s transparent to infrared light.) However, the other three are all large elements of greenhouse gas emissions.
User RecuencoJones
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