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Standard X
Chemistry
Ozone Layer Depletion
Question

What is the harm from the depletion of Earth's ozone layer?
  1. The average temperature of Earth's surface will increase gradually.
  2. Increased amount of ultraviolet radiation will reach the Earth's surface.
  3. Sea levels will rise as the polar ice caps will gradually melt.
  4. The oxygen content of the atmosphere will decrease.

A
The oxygen content of the atmosphere will decrease.
B
The average temperature of Earth's surface will increase gradually.
C
Increased amount of ultraviolet radiation will reach the Earth's surface.
D
Sea levels will rise as the polar ice caps will gradually melt.
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Solution
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The ozone layer is responsible for most of the absorption of harmful UV rays. Depletion of the ozone layer allows the harmful UV rays to enter the Earth's surface causing various damages to the living organisms. Exposure to UV rays can lead to skin cancer, defective eyesight, reduction in immunity, increased number of mutations, and reduction in crop yield.

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