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Essentially, continents do not 'grow', but sea levels can drop, thus expanding the visible land.

However, in the case of Antarctica, 98% of it is covered with an ice sheet. During the winter, the Southern Ocean freezes, and the sea ice attaches itself to the continental ice sheet. This, apparently, can 'double' the size of the continent, when, in fact, it is simply a way to describe the extent of the ice.

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10y ago

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