Atmospheric science — “ozone hole”: What does the term “ozone hole” refer to? Context: Seasonal, regional thinning of stratospheric ozone concentration (not a literal hole) most pronounced over Antarctica. Choose the correct description.

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Solve this multiple-choice question and choose the correct option.

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Concept / ApproachThe “ozone hole” describes markedly reduced ozone concentrations in the stratosphere during spring over polar regions (especially Antarctica), driven by catalytic destruction involving halogen radicals (from CFCs/halons) on polar stratospheric clouds. ClarificationIt is not a physical hole; it is a region of thinning measured as decreased total column ozone (Dobson Units). Final AnswerSeasonal stratospheric ozone depletion (not a literal hole).

Atmospheric science — “ozone hole”: What does the term “ozone hole” refer to? Context: Seasonal, regional thinning of stratospheric ozone concentration (not a literal hole) most pronounced over Antarctica. Choose the correct description.

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