Environment And Road Safety Education And Violence Against Women And Children And Drug Abuse 2021 Exam With Answers

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34.

The depletion of stratospheric ozone layer is mainly caused by

A: NO
B: $CO^2$
C: CFCs
D: CHâ‚„

The answer is: C

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Explanation

Carbon compounds having both fluorine and chlorine (CFCs), which are very stable and not degraded by any biological process, are responsible for ozone layer depletion. They react with ozone and convert it into oxygen.