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Question

Ozone layer depletion is caused due to _______.

A
CFCs
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B
methane
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C
nitrogen oxide
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D
sulphur dioxide
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Solution

The correct option is A CFCs
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 generates chlorine free radicals which react with ozone and convert it into oxygen.

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