Multiple choice

Ozone layer protects us from __________.

  1. air pollution

  2. sun's harmful rays

  3. solar heat

  4. sudden climatic changes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ozone layer in the stratosphere absorbs harmful ultraviolet (UV) radiation from the sun, preventing it from reaching Earth's surface. This UV protection is crucial for living organisms as excessive UV radiation can cause skin cancer and damage ecosystems. The ozone layer does not protect against air pollution, solar heat, or sudden climatic changes.

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