Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-6

  • question_answer
    Greenhouse gas is

    A)  \[C{{O}_{2}}\]

    B)  \[{{O}_{2}}\]

    C)  \[{{H}_{2}}\]              

    D)         \[{{N}_{2}}\]

    Correct Answer: A

    Solution :

    \[C{{O}_{2}}\] is a greenhouse gas. Atmosphere becomes warmed when its concentration increases.


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