Question

35. Explain the phenomenon of ozone depletion. What are the factors responsible for it. What are its
consequences?​

Answer 1

Chlorofluorocarbons or CFCs are the main cause of ozone layer depletion. ... The molecules of chlorofluorocarbons in the stratosphere are broken down by the ultraviolet radiations and release chlorine atoms. These atoms react with ozone and destroy it.

Chlorofluorocarbons (CFCs): Refrigerators, air-conditioners, solvents, dry-cleaning a...

Ozone-Depleting Substances: Sources

Carbon tetrachloride: Fire extinguishers, solvents

Methyl chloroform: Adhesives, aerosols

Answer 2

Answer:

Ozone layer depletion- is the depletion of protective layer of our atmosphere called ozone layer, due to certain human activities.

Factors responsible for ozone layer depletion- are:

• Increase on CFCs in the atmosphere.

• Global warming

Consequences:

• It increases the UV radiation levels on Earth, which affects human health.

Such as increased UV radiation cause, cataracts, skin cancers and immune deficiency disorder.

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