Lung cancer & DNA breakage are the major ill effects of e... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

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________________?

Correct answer: D

Explanation

CFCs release chlorine atoms in the stratosphere. These atoms react with ozone molecules, causing them to break down.

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