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  1. Sulphur dioxide level in the atmosphere can be reduced by using

  2. A.

     More efficient car engines

    B.

     Catalytic converters in industry

    C.

     Static electricity to attract it in factory chimneys

    D.

     Low - sulphur fuels

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    Answer : Option D

    Explanation :

    Sulphur dioxide level in the atmosphere can be reduced by using low sulphur fuels.


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