MCQ
Ozone layer is getting depleted because of:
- AExcessive use of automobiles.
- BExcessive formation of industrial units.
- ✓Excessive use of man-made compounds containing both fluorine and chlorine.
- DExcessive deforestation.
Man-made causes of depletion of ozone layer: The main cause for the depletionof ozone is determined as excessive release of chlorine and bromine from man-made compounds such as chlorofluorocarbons $(CFCs).$ The emission of $ODS$ account for roughly $90\%$ of total depletion of ozone layer in stratosphere.
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