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ch.7 less. 1
carlie has a cast...
Terms in this set (12)
What are the three major processes that shape earths surface?
weathering, erosion, and deposition
What is erosion?
the process by which natural forces move weathered rock and soil from one place to another
What is deposition?
process in which sediment is laid down in new locations.
What is weathering?
Weathering is the breaking down of rock over a long period of time.
Weathering, erosion, and deposition act together in a cycle that _______.
Wears down and builds up earth's surface.
What is gravity?
The attractive force between objects; the force that moves objects downhill.
What is mass movement?
Any one of several processes by which gravity moves sediment downhill.
Mass movement is the downhill movement of sediment through mudflows, landslides, slumps, and creeps.
What is a mudflow?
a rapid downhill movement of a mixture of water, rock, and soil
How does a landslide occur?
a landslide occurs when rock and soil suddenly slips down a slope.
What is a slump?
a mass of rock and soil suddenly slips down a slope
What is a creep?
very slow downhill movement of rock and soil
What force causes all types of mass movement?
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