Question

    Which of the following is not considered a greenhouse

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

    Solution

    Correct Answer: C   Nitrogen, unlike the other gases listed, does not contribute to the greenhouse effect, which involves the trapping of heat in the atmosphere.  

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