Question

soil horizon composed of loose Rock materials called​

Answer 1

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• A horizon is the top layer of the mineral soil horizons, often referred to as 'topsoil'. This layer contains dark decomposed organic matter, which is called "humus". The technical definition of an A horizon may vary between the systems, but it is most commonly described in terms relative to deeper layers.

Answer 2

Explanation:

An underlying loose, but poorly developed horizon is called a C horizon.

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