Where is the ozone hole most prominent?

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(B) The ozone hole is a region of exceptionally depleted ozone in the stratosphere over the Antarctic. It is most prominent over Antarctica because th

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Antarctica

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(B) The ozone hole is a region of exceptionally depleted ozone in the stratosphere over the Antarctic. It is most prominent over Antarctica because the extremely cold temperatures during the polar winter lead to the formation of polar stratospheric clouds. These clouds provide surfaces for chemical reactions that convert inactive chlorine into active forms,which then destroy ozone molecules when sunlight returns in the spring.

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