Why is an ozone hole formed over Antarctica?

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(B) The formation of the ozone hole over Antarctica is primarily due to extreme low temperatures $(-85^{\circ}C)$.These temperatures lead to the forma

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Extreme low temperature

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(B) The formation of the ozone hole over Antarctica is primarily due to extreme low temperatures $(-85^{\circ}C)$.These temperatures lead to the formation of polar stratospheric clouds (ice clouds).These clouds provide a catalytic surface for the reactions of chlorine atoms,which deplete the ozone layer.Additionally,a polar vortex is formed,which isolates the air over Antarctica from the rest of the world,preventing the replenishment of ozone.

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