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प्रश्न
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to ______.
विकल्प
ethylene
methane
CFCs
CO2
MCQ
रिक्त स्थान भरें
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उत्तर
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to CFCs.
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