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xz_007 [3.2K]
3 years ago
7

In figure 5-2 what is the layer labeled y composed of

Biology
2 answers:
Grace [21]3 years ago
7 0
Bone mill why it end of a bone and it could also turn to dust
-BARSIC- [3]3 years ago
3 0

In the soil profile, the remains of plants and animals are present in a layer known as the humus layer. The topsoil or the A horizon refers to a zone of leaching and the habitat of various species. The subsoil or the B horizon refers to a zone where the organic matter and soluble salts are leached from the A horizon is accumulated.  

The weathered part of the rock, which produces the parent substance over which a soil establishes makes the C horizon, and the unweathered part of the parent substance forms the D horizon. Thus, from the given diagram it is clear that the layer Y comprises unweathered part of the parent material.  


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