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Railways R.R.C. (Bilaspur) Solved Paper Held on 1st Shift 27-10-2013

  • question_answer
    Which of the following is not a Greenhouse Gas?

    A) Helium

    B)               Methane

    C) Carbon Dioxide 

    D) Nitrous Oxide

    Correct Answer: A

    Solution :

    Helium is not a greenhouse gas. While Methane, Carbon-Dioxide, Nitrous-Oxide are greenhouse gases.


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