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Discussion :: Environmental Engineering

  1. A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it.

    2. A.
    hydrogen
    B.
    carbon dioxide
    C.
    ozone
    D.
    none of these

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    Workspace

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    Answer : Option C

    Explanation :

    No answer description available for this question.

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