A glacier is a big, perennial accumulation of crystalline ice, snow, rock, sediment, and frequently liquid water that originates on land and moves downslope below having an effect on its very own weight and gravity.
Glaciers are discovered in Arctic regions, Antarctica, and on high mountains in temperate or even tropical climates. Glaciers that expand in continuous sheets and cover a huge landmass, inclusive of Antarctica or Greenland, are referred to as ice sheets. If they're comparable however smaller, they are termed ice caps.
Glaciers exist in each of the USA and Canada. most U.S. glaciers are in Alaska; others may be discovered in Washington, Oregon, California, Montana, Wyoming, Colorado, and Nevada (Wheeler peak Glacier in tremendous Basin countrywide Park).
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