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Soil
Term | Definition |
---|---|
Litter | layer of dead leaves on the to of the soil |
Topsoil | an upper layer of soil consisting of rock fragments, organisms, nutrients, water, air, and decaying matter |
Subsoil | layer of soil below the topsoil |
Bedrock | rock that makes up Earth's crust |
Erosion | the process by which water, wind, or ice move particles of rock or soil |