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2nd Class EVS Weather, Air and Water Question Bank Air, Water and Weather

  • question_answer
    Which of the following activities makes air unclean?

    A)  Smoke from automobiles

    B)  Washing clothes        

    C)  Watering plants

    D)  Boiling milk

    Correct Answer: A

    Solution :

    Smoke from automobiles make air unclean.


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