[Answer] Which soil horizon is located closest to the earth's crust?

Answer: C horizon

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Which soil horizon is located closest to the earth's crust? A soil horizon is a layer parallel to the soil surface whose physical chemical and biological characteristics differ from the layers above and beneath. Horizons are defined in many cases by obvious physical features mainly colour and texture. These may be described both in absolute terms (particle size distribution for texture for instance) and in terms relative to the surrounding material ... Topsoil - Wikipedia Soil horizon - Wikipedia Soil horizon - Wikipedia Utopia Planitia (Greek and Latin: "Nowhere Land Plain"—loosely the plain of paradise) is a large plain within Utopia the largest recognized impact basin on Mars and in the Solar System with an estimated diameter of 3300 km. It is the Martian region where the Viking 2 lander touched down and began exploring on September 3 1976 and it is the target of the 2020 Tianwen-1 rover and lander ... Caliche (/ k ə ˈ l iː tʃ iː /) is a sedimentary rock a hardened natural cement of calcium carbonate that binds other materials—such as gravel sand clay and silt. It occurs worldwide in aridisol and mollisol soil orders—generally in arid or semiarid regions including in central and western Australia in the Kalahari Desert in the High Plains of the western USA in the Sonoran ... The Kuiper belt (/ ˈ k aɪ p ər ˈ k ʊ ɪ-/) is a circumstellar disc in the outer Solar System extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun. It is similar to the asteroid belt but is far larger – 20 times as wide and 20–200 times as massive. Like the asteroid belt it consists mainly of small bodies or remnants from when the ... Sat Mar 13 2004 13:30:00 GMT-0500 (Eastern Standard Time) · Topsoil is the upper outermost layer of soil usually the top 5–10 inches (13–25 cm).It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs. Topsoil is co...

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