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Question

Formation of ozone hole is maximum over:

A
India
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B
Antarctica
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C
Europe
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D
Africa
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Solution

The correct option is C Antarctica
  • The thickness of ozone over the poles changes with the seasons, being the lowest in polar spring and maximum in polar autumn.
  • The ozone hole is formed each year when there is a sharp decline (currently up to 60%) in the total ozone over most of Antarctica for a period of about three months (September-November) during spring in the Southern Hemisphere.
  • This depletion of ozone is due to the action of sunlight over pollutants, which release chemicals like chlorine, that destroy ozone.
  • Thus, the correct answer is option B.

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