Multiple choice

What would be the immediate effect of depletion of ozone layer?

  1. Most of the sun's rays will be reflected back.

  2. The harmful sun's rays will reach the earth's surface.

  3. The temperature of the earth will increase.

  4. The concentration of chlorofluorocarbons will increase in the atmosphere.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ozone layer absorbs harmful UV-B radiation from the sun. When ozone is depleted, more UV rays reach Earth's surface, increasing risks of skin cancer, cataracts, and ecosystem damage. Temperature effects are secondary and indirect.

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