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A/An ____________________ is a massive, long-lasting accumulation of compacted snow and ice that forms on land.
The place where glacial flow cannot keep pace with melting is called the ____________________.
zone of ablation
The lower elevation portion of a glacier where less snow is added in winter than melts in summer is called the ____.
____ is sediment that was first transported by a glacier and then transported and deposited by a stream.
Valleys that have been carved by glaciers and have became submerged by rising sea level are called:
A smaller glacial valley that meets the main valley with a large vertical offset is called a:
the Earth's orbital parameters (eccentricity, tilt, precession).
Cycles identified by Milutin Milankovitch are caused by changes in:
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