Question

11. Write two causes behind ozone layer degradation.
What is 3R in environmental problems? 2+1
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Answer 1

Answer:

Chlorofluorocarbons or CFCs are the main cause of ozone layer depletion. These are released by solvents, spray aerosols, refrigerators, air-conditioners, etc. The molecules of chlorofluorocarbons in the stratosphere are broken down by the ultraviolet radiations and release chlorine atoms.

Explanation:

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Answer 2

Answer:

your answer is

Explanation:

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