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q |
The ice crystals in the polar stratospheric clouds
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provide surface for the ozone depletion surface to
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occur more easily.
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q |
On these cloud surfaces, certain forms of chlorine
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that do not react with ozone are converted into
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forms that do.
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q |
Polar stratospheric clouds set up the stage for
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massive destruction of ozone to happen when
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sunlight returns in the spring.
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