Question

How is Ozone layer depleted in the atmosphere and what are the harmful effects
caused by Ozone layer depletion ?​

Answer 1

Answer:

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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.

Effects on Human Health

Ozone layer depletion increases the amount of UVB that reaches the Earth's surface. Laboratory and epidemiological studies demonstrate that UVB causes non-melanoma skin cancer and plays a major role in malignant melanoma development.

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Answer 2

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