________ are formed when one glacier beheads another.

Name: ________ are formed when one glacier beheads another.
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Question

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Hanging valleys are formed when a smaller tributary glacier is left hanging above the main U-shaped valley after it has been deepened or widened by a larger glacier. This occurs when the smaller glacier is unable to erode the valley floor to the same depth as the larger glacier, resulting in a steep drop-off or waterfall at the hanging valley's mouth.

________ Are Formed When One Glacier Beheads Another