Weathering/Erosion
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| Weathering | the process by which rock materials are broken down by the action of physical and chemical processes
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| Chemical Weathering | the breakdown of rock into smaller pieces by physical or mechanical means
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| Chemical Weathering | the process by which rocks break down as a result of chemical reactions
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| Erosion | the process by which wind,water, ice or gravity transports/moves soil and sediment from one location/place to another
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| Deposition | when sediments are deposited, or dropped off, in a different location/place. This process changes the way earth looks over time.
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| Ice/Frost wedging | form of physical weathering that involves the repeated freezing and thawing of water in areas with extremely cold weather; water seeps into small cracks in rocks and other materials and can break the rock when it expands
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| Mass wasting | the downhill movement of large mass of rocks or soil due to gravity
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| Plant growth | when parts of a plant grows into a rock and cracks it
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| Exfoliation | outer layer of desert rocks undergo repeated stress as the temperature changes from day to night. (Heating & Cooling)
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| Animal action | type of mechanical weathering where animals dig into ground and loosen soil.
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| Abrasion | the grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles. (rock against rock)
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| Carbonation | when the acid rain combines with rocks, and changes their chemical formations.
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| Acid precipitation | rain, sleet or snow that contains a high concentration of acids wears away rock over time
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| Lichen/moss | plants that release different acids on rocks which dissolve it and break down the chemical bonds
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| Oxidation | reaction of rock minerals with oxygen, thus changing the mineral composition of the rock. (RUST)
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