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Natural Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
Question

Ozone hole over Antarctica appears during:

  1. Spring.
  2. Summer.
  3. Autumn.
  4. Winter.
✓

Answer

  1. Spring.

Explanation:

Very low winter temperatures in the Antarctic stratosphere leads to appearance of ozone hole over Antarctica due to formation of polar stratospheric clouds.

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