Ice sheets in high latitudes are known to have advanced and retreated over much of the northern hemisphere throughout the Earth's long history.

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This statement is true. Ice sheets in high latitudes have advanced and retreated many times throughout the Earth's long history, leaving evidence of their presence in the form of glacial deposits, landforms, and other geological features. The most recent period of glaciation occurred during the Pleistocene epoch, which ended around 11,700 years ago, but smaller ice caps and glaciers still exist in places like Greenland and Antarctica.

Ice Sheets in High Latitudes Are Known to Have Advanced