Question

    Which of the following is NOT a greenhouse

    gas?
    A Methane (CH₄) Correct Answer Incorrect Answer
    B Hydrogen (H₂) Correct Answer Incorrect Answer
    C Nitrous oxide (N₂O Correct Answer Incorrect Answer
    D Ozone (O₃) Correct Answer Incorrect Answer

    Solution

    Hydrogen is not a greenhouse gas. It is a colorless, odorless gas used primarily as a fuel source. Methane, nitrous oxide, and ozone, however, are greenhouse gases that contribute to the warming of the Earth's atmosphere.

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