Intro: Erosion, removal of surface material from Earth’s crust, primarily soil and rockdebris, and the transportation of the eroded materials by natural agencies (such as water or wind) from the point of removal.
Water: when water is on soil and the water moves the water takes the soil down with it and create a path and it makes a valley. All the soil is taken down with the water intel the water stops.
Glacial: Glacial erosion occurs in two principal ways: through the abrasion of surface materials as the ice grinds over the ground (much of the abrasive action being attributable to the debris embedded in the ice along its base); and by the quarrying or plucking of rock from the glacier bed. The eroded material is transported until it is deposited or until the glacier melts.
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