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Geology Chapter 18
geology chapter 18
7
Geology
Undergraduate 1
12/01/2009

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Term
what two fundamental cycles are glaciers a part of?
Definition
the hydrologic cycle and the rock cycle
Term
glacier
Definition
a thick ice mass that forms over hundreds of thousands of years
Term
glaciers originate on land from the..
Definition
accumulation, compaction, and recrystallization of snow.
Term
where are glaciers found today?
Definition
near Earth's poles or in high mountains.
Term
valley glaciers or alpine glaciers
Definition
glaciers between mountains where streams once existed. flows at only a few centimeters per day
Term
ice sheets represent how much of Earth's land area?
Definition
10%
Term
ice shelves
Definition
large, relatively flat masses of floating ice that extend seaward from the coast but remain attached to the land along one or more sides.
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