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    Question

    When was the Montreal Protocol signed with the aim of

    stopping the production and use of ozone-depleting substances like CFCs?
    A In the year 1987 Correct Answer Incorrect Answer
    B In the year 1985 Correct Answer Incorrect Answer
    C In the year 1989 Correct Answer Incorrect Answer
    D In the year 1990 Correct Answer Incorrect Answer

    Solution

    The Montreal Protocol was signed on September 16, 1987, with the aim of stopping the production and use of ozone-depleting substances like CFCs.

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