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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
Industry: Earth science
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Soil science
Cemented
Earth science; Soil science
Having a hard, brittle consistency because the particles are held together by cementing substances such as humus, CaCO3, or the oxides of silicon, iron, and aluminum. The hardness and brittleness ...
Obsidian
Earth science; Soil science
An igneous rock that is made of shiny black glass. Obsidian forms from lava that cools very quickly.
Sand
Earth science; Soil science
Small grains or particles of broken down rock. Sand is coarser than silt and finer than gravel.
Silt
Earth science; Soil science
Small grains or particles of broken down rock. Silt particles are smaller than grains of sand but larger than the particles in clay.
Hemisphere
Earth science; Soil science
One half of a sphere. Either of the halves of the Earth, as divided by the equator or a meridian.
Striation
Earth science; Soil science
One of a number of parallel lines or grooves on the surface of a rock. Striations are formed when a glacier moves over a rock.
Swamp
Earth science; Soil science
Swamp is an area which is flooded or drenched with water and related to plunge or cause to sink.
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