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10th Class Science Our Environment Question Bank Our Environment

  • question_answer
    Which of the following chemicals cause the thinning of iayer P?

    A) Carbon monoxide

    B) Sulphur dioxide

    C) Chlorofluorocarbons

    D) Both (a) and (c)

    Correct Answer: D

    Solution :

    Carbon monoxide and Chlorofluro carbons cause the thinning of layer 'P'.


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