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10th Class General Knowledge Our Environment Question Bank Our Environment

  • question_answer
    The Montreal Protocol on substances that deplete the ozone layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. The Montreal Protocol was assigned in

    A)  1977               

    B)  1987   

    C)  1992               

    D)         1982

    Correct Answer: B

    Solution :

    Not Available  


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