Multiple choice

Why is ozone layer important for Earth?

  1. It's ability to absorb ultraviolet (UV) radiation.

  2. It's ability to block sunlight in certain parts.

  3. It's ability to form oxygen, which is required for Earth.

  4. None of these
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A Correct answer
Explanation

The ozone layer absorbs most of the Sun's ultraviolet (UV) radiation, particularly UV-B and UV-C rays, which would otherwise cause severe DNA damage in living organisms. Without this protective layer, life on Earth's surface would be exposed to harmful radiation levels.

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