Thanks Partially decomposed organs matter found m top sod « known as Humus Litt

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Partially decomposed organs matter found m top sod « known as Humus Litter Leaf fall organic carbon organic matter According to the United States Department of Agriculture (USDA) classification how many sod orders do we have? 10 22 15 24 12 There are approximately one hundred major soil orders recognized by the U-S. Soil Taxonomy. True False This soil order is just beginning to develop with few or no horizons Aridisols Andisols Oxisols Vertisols inceptisois It has high amount of humus and cations and remain soft when dry. It is common m the Prairie region of Central US and supports high agricultural production. Which of these sod orders fits the above description? Mollisols Aridisols Vertisols Oxisols Ultisols Which of these statements best describe soils? inorganic material that results from rock weathering weathered rock materials The same as dirt Sediment deposit that forms different layers Complex combination of minerals, organic matter, organisms, gases, and liquids Which of these soil texture types is the optimum (best) for crop production? Clay Sandy clay Loam Silt Silty clay The typical arrangement of horizons in a soil profile starting from the top is O, A, B, C, E, R O, A, E, B, C, R O, A, B, E, C, R A. B, C, E, O, R A, O, B, C, E, R Earth's crust floats on a semi liquid layer of the mantle called the oceanic crust. lithosphere asthenosphere. outer core. inner core. The term relief refers to external geomorphic processes the scale of a map. a map legend uniformitarianism the difference between the highest and lowest points on a landscape The largest shell (by volume) in the vertical structure of Earth is the mantle inner core outer core crust Moho Earth's inner core is thought to consist of a rigid mass of iron/nickel hydrogen/helium gas sulfur magma superheated water The Moho is the boundary between the crust and the mantle. ocean basins continents. outer core. inner core. Which of the following Is NOT necessarily an attribute of a mineral? It must be found in nature. It must be made up of inorganic substances it must have economic value. It must have the same chemical composition wherever found it must contain atoms that are arranged to form a regular pattern Rocks which were originally igneous or sedimentary but have been changed by heat and pressure are known as Secondary rock Primary rock Metamorphic rock intrusive Igneous rock Changed rocks They are generally hard or crystalline in nature. This statement best describes a sedimentary rocks

Explanation / Answer

1.humus

Humus is a Fragrant, spongy, nutrient-rich material resulting from the decomposition of organic matter.

2.12

The United States system of soil taxonomy has a hierarchical structure. At the top of this hierarchy, there are currently 12 soil orders.

3.

False

Since there are 12 soil orders only

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