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Soil (sometimes called dirt) is the combination of rock, mineral fragments (pieces) made by weathering (wind, rain, sun, snow, etc.), and organic matter (living things), water, and air. Soil, especially topsoil, is the portion of the Earth's crust where plants can grow. See also
More about Soil: soil top, ear ground in keep lifted soil story, potting soil, erosion soil, soil stabilization, soil type, engineer soil, conservation soil, pollution soil, |
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