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Glaciers are made up of fallen snow that over many, many years becomes compressed into thickened ice masses. When this becomes too heavy, gravity causes the ice to flow very slowly, and the action of the ice cuts out plains and hills whilst travelling, picking up all the rock and other material in its way. The power of the ice cuts out softer material and grinds on the harder stuff. And land is shaped in this way.

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15y ago
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15y ago

Glaciers do not form hills, they carve out valleys by moving downhill and eroding the hills in various ways.

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Q: How do glaciers form hill and plains?
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