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    Question

    Consider the following statements about ozone layer:

    1. It protects us from UV rays. 2. It is found in the troposphere. 3. CFCs are harmful to it.
    A 1 and 2 Correct Answer Incorrect Answer
    B 1 and 3 Correct Answer Incorrect Answer
    C 2 and 3 Correct Answer Incorrect Answer
    D All of the above Correct Answer Incorrect Answer

    Solution

    Ozone layer lies in the stratosphere, not troposphere.

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