RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Green-house effect is mainly caused by

    A)  CFCs                    

    B)         \[C{{H}_{4}}\]

    C)  \[C{{O}_{2}}\]

    D)                                        \[CO\]

    Correct Answer: C

    Solution :

    60% of \[C{{O}_{2}},\] 14% of CFCs, 20% of methane, 6% of nitrogen oxides and a little amount of ozone contributes to green-house effect.


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