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प्रश्न
The gas(es) not responsible for ozone depletion:
विकल्प
NO and freons
SO2
CO2
Both SO2 and CO2
MCQ
उत्तर
Both SO2 and CO2
Explanation:
Ozone depletion is caused by nitrogen oxides and freons.
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Uses and Environmental Effects of Some Polyhalogen Compounds
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