Question

now tell which horizen is rich in humans​

Answer 1

Answer:

Soil horizon

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A soil horizon is a layer parallel to the soil surface whose physical, chemical and biological characteristics differ from the layers above and beneath. Horizons are defined in many cases by obvious physical features, mainly colour and texture. These may be described both in absolute terms (particle size distribution for texture, for instance) and in terms relative to the surrounding material, i.e. ‘coarser’ or ‘sandier’ than the horizons above and below.

Answer 2

Answer:

horizon A.

Explanation:

• bcz horizon A is a weathered layer that contains an accumulation of humus (decomposed, dark colored, carbon rich matter) and biomass that is mixed with small grained minerals to form aggregate structure.