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Given a scientific passage and an answer, generate a question for the given answer.

Passage: Nearly all glacial ice is in the polar regions. The largest ice sheets are in Antarctica and Greenland. The remaining 1% of Earth's ice is found elsewhere, like in the mountains, for example. At higher altitudes, temperatures are colder. Snow is more likely to fall and not melt. Except Australia, every continent has glaciers in the high mountains. Answer: antarctica
Output:
Besides greenland, where are the earth's largest ice sheets found?