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Soil
soil
| Term | Definition |
|---|---|
| litter | layer of dead leaves and grass on top of soil |
| topsoil | an upper layer of soil consisting of rock fragments, organisms, nutrients, water, air, and decaying matter |
| subsoil | layer below the topsoil |
| bedrock | rock that make up the earth soil |
| ersoin | the process by which water, wind, or ice moves particals of rock or soil |