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Question
Formation of ozone hole is maximum over:
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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.
- 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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