Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________?

Chemical Engineering Mcqs

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________?

(A)  CO2

(B)  SO2

(C)  Hydrocarbons

(D)  CFC (chloro fluoro carbon)

Submitted By :Ali Uppal

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