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science
| Term | Definition |
|---|---|
| Erosion | the process by which the surface of the earth is worn away by the actions of water, wind, glaciers,waves, etc. Ex wearing away |
| Weathering | Geology, the various mechanical and chemical processes that cause exposed rock to decompose. Compare chemical weathering, mechanical weathering. organic weathering, biological. Ex breaking down |
| Depisition | The laying down of matter by a natural process, as the laying down of sediments in a river or the accumulation of mineral deposits in a bodily organ. |