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Discussion :: Environmental Science

  1. Mobile combustion accounts

  2. A.

     10-20% of air pollution

    B.

     40-50% of air pollution

    C.

     50-60 % of air pollution

    D.

     5-10 % of air pollution

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    Answer : Option C

    Explanation :

    Mobile combustion accounts 50-60 % of air pollution.


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