9th Class Science Natural resources Question Bank Natural Resources

  • question_answer
    Which of the following reduce(s) air pollution?

    A) Only (i)             

    B)        (ii) and (iii)

    C) (i) and (iii)         

    D) (i), (ii) and (iii)  

    Correct Answer: D

    Solution :

    Using an incinerator to burn garbage using renewable energy like solar and wind energy and fixing catalytic converters reduce air pollution.


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