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Slow Processes
Weathering and Erosion
Term | Definition |
---|---|
the process by which rock is broken down into smaller pieces | weathering |
this can cause rocks to fall down a hill | gravity |
acid rain causes this | chemical weathering |
the dropping of weathered rock by wind or moving water | deposition |
very small pieces of rock;examples include sand and silt | sediment |
this carries sediment from place to place | wind and moving water |
removal of soil and rock from the Earth's surface | erosion |
formed by the moving water of the Colorado River | Grand Canyon |