. The layer of the soilprofile which supports many living organisms is known as


(a)          B-horizon

(b)          topsoil.

(c)           bedrock.

(d)          C-horizon.

Best Answer

(b) top soil.

Topsoil or Horizon A is the layer which contains large amounts of nutrients. It is the layer in which many rodents live . The roots of small plants reach only the topsoil to derive water and mineral nutrients from it.

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