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  1. Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

    2. A.

     Carbon dioxide
    B.

     Ammonia
    C.

     Chlorine
    D.

     Ozone

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    Answer : Option D

    Explanation :

    Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Ozone.

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