Depletion of ozone is mainly due to :

(a) Carbon monoxide
(b) Chlorofluorocarbon compound
(c) Methane
(d) Pesticides

Anurag Mishra Professor Asked on 18th January 2016 in Environment Science.
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    Answer: (b) Chlorofluorocarbon compound 

    Anurag Mishra Professor Answered on 20th January 2016.
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