What is Soil? | Natural Resources Conservation Service
https://www.nrcs.usda.gov/resources/education-and-teaching-materials/what-is-soil
WEBsoil - Soil is a natural body comprised of solids (minerals and organic matter), liquid, and gases that occurs on the land surface, occupies space, and is characterized by one or both of the following: horizons, or layers, that are distinguishable from the initial material as a result of additions, losses, transfers, and transformations of ...
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