Question

    Which of the following is not a greenhouse

    gas?
    A Carbon dioxide Correct Answer Incorrect Answer
    B Water vapor Correct Answer Incorrect Answer
    C Methane Correct Answer Incorrect Answer
    D Nitrogen Correct Answer Incorrect Answer

    Solution

    Although nitrogen makes up about 78% of the Earth's atmosphere, it is not a greenhouse gas because it does not absorb or emit infrared radiation.

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