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Weathering And Erosion
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Published on Mar 24, 2016
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PRESENTATION OUTLINE
1.
WEATHERING & EROSION
2.
OXYGEN
Agent of chemical weathering
Rust is caused by oxidation
3.
WATER
Most important agent of chemical weathering
Water weathers rock by dissolving it
4.
ABRASION
The grinding away of rock by rock particles carried by water, ice, wind, or gravity
Wind, water, or ice can wear away exposed rock surfaces.
5.
FREEZING & THAWING
Water freezes in cracks and makes them expand
Ice wedging, which is part of freezing and thawing, causes potholes
6.
EROSION
Erosion is the process by which water, ice, wind, or gravity moves fragments of rock and soil.
One type of erosion is landslides.
7.
THINGS THAT CAUSE EROSION:
Gravity
Running water
Glaciers
Waves
Wind
Amy Do
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