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Which soil horizon contains the most organic matter?

A) A horizon
B) Chorizon
C) B horizon
D) horizon

1 Answer

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Final answer:

The O horizon or A horizon contains the most organic matter in the soil.

Step-by-step explanation:

The soil horizon that contains the most organic matter is the O horizon or the A horizon. The O horizon, also known as the surface horizon, consists of freshly decomposing organic matter called humus, which enriches the soil with nutrients and enhances moisture retention. The A horizon, or topsoil, contains a mixture of organic material and inorganic products of weathering, making it rich in organic matter.

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