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Question

Which of the following substances is responsible for ozone depletion?

A
Carbon tetrachloride
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B
Carbon dioxide
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C
Methane
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D
Water vapour
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Solution

The correct option is A Carbon tetrachloride
The major causes of ozone layer depletion are man-made chemicals such as Chlorofluorocarbons (CFCs), halons, carbon tetrachloride, nitrogen oxides, etc. These are known as ozone depleting substances (ODS).

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