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soil
Term | Definition |
---|---|
litter | the top layer of soil full of dead leaves and grass |
topsoil | mixture of rock fragments, nutrients, water, air, and decaying plat and animal matter |
subsoil | also contains rock, water, air but contains less decaying plant and animal matter |
bedrock | the rock that makes up earths crust |
erosion | the process in which water, wind, or ice moves particles of rock or soil |