ESS
Grade-9
Easy
Question
Thinning of ozone layer is due to __________.
- O2
- CFC
- BFC
- N2O
Hint:
Ozone depletion is caused by free chlorine
The correct answer is: CFC
CFCs disintegrate in the atmosphere and produce free chlorine that depletes ozone from the stratosphere causing ozone hole that allows more UV light to enter Earth's atmosphere
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