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There are two reason for the ozone layer to be comparatively thinner in Antarctica than the rest of the world.

1. The polar winds that blow over Antarctica carry the CFCs(Chlorofluorocarbons), that help to break down ozone molecules posing a threat to Earth, to Antarctica.

2. The ice crystals formed above Antarctic in the stratosphere forms a surface for the break down of ozone molecules.

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12y ago

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