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sci 245 study notes

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Weathering • Chemical weathering “involves a chemical change in at least some of the minerals within a rock.” • Mechanical weathering “involves physically breaking rocks into fragments without changing the chemical make-up of the minerals within it.” Descriptions from National Park Services http://www.nature.nps.gov/GEOLOGY/usgsnps/misc/gweaero.html Erosion • Erosion can be called mass wasting. • The difference between weathering and erosion is erosion occurs “if the rock particle is moved by some flowing agent such as air, water or ice.” • The key difference is movement by natural forces. Descriptions from National Park Services http://www.nature.nps.gov/GEOLOGY/usgsnps/misc/gweaero.html Mechanical and Chemical Weathering Chemical Weathering Water Erosion Wind Erosion Ice Erosion Name: sci 245 study notes Description: ...
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