Chemistry, asked by asharani76048, 7 months ago

Define horizon and humus​

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Answered by Anonymous
0

Explanation:

The 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.

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Answered by vermakanchan275
0

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

Explanation:

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