Which layer of soil is closest to the surface

Soil Profile Soil Profile refers to the layers of soil; horizon A, B, and C. If you're wondering what horizon A is, here's your horizon A refers to the upper layer of soil, nearest the surface. It is commonly known as topsoil.

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Required Answer :-

The Top soil is closest to the surface

The top most layer of the soil which contains humus and microorganisms in addition to soil particles is called top soil.

The quality of top soil determines the diversity of life in the region.It is the most fertile layer of soil in which the plants are able to grow.

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