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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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