Transcript
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WEATHERING AND EROSION OF
EARTH'S SURFACE
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Weathering
the breaking down of rocks into smaller pieces, mechanically or
chemically
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Erosion
the movement of sediments to a new location because of
weathering
???????? (How is this concept supported by the law
of conservation of mass?)
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Factors of Weathering And
Erosion
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Water
Runoff is water flowingon Earth’s surface that causes erosion.
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IceIn some parts of the world, ice
is an agent of erosion. Ice forms continental and valley
glaciers.
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AirWind, which is moving air, blows small particles from Earth’s surface, which is called deflation. Pits in rocks or polishes surfaces smooth as sediments are blown
by strong winds, which is abrasion.
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H
Mount RushmoreSouth Dakota
How might weathering and erosion affect Mount
Rushmore?