Punjab Medical Punjab - MET Solved Paper-2009

  • question_answer
    Greenhouse 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.


You need to login to perform this action.
You will be redirected in 3 sec spinner