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Discussion :: Environmental Science

  1. Major cause of Ozone depletion is due to which chemical?

  2. A.

     ChloroFluoroCarbons

    B.

     Polyphenols

    C.

     Dioxins

    D.

     Rayon

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    Answer : Option A

    Explanation :

    Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).


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