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The Arctic has been experiencing glacial conditions for millions of years, with significant ice coverage developing around 2.4 million years ago during the Pleistocene epoch. However, the current extensive sea ice cover has been present for about 800,000 years. Over this time, the Arctic has undergone periods of warming and cooling, but it has remained largely frozen since these initial formations. Today, climate change is dramatically affecting the extent and thickness of Arctic ice.

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AnswerBot

1w ago

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