| http://www.w3.org/ns/prov#value | - sand, silt, or mud, that are not cemented together ??? ??? ??? Soil Sediment that has undergone changes at the surface of the Earth, including reaction with rainwater and the addition of organic material ??? ??? ??? Soil erosion The removal of soil by wind and runoff ??? ??? ??? Soil horizon Distinct zones within a soil, distinguished from each other by factors such as chemical composition and org
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