Question

The initial degradation of plants by microarthropods, bacteria, and fungi occurs in the __________ soil horizon. View Available Hint(s) The initial degradation of plants by microarthropods, bacteria, and fungi occurs in the __________ soil horizon. O R A B

Answer 1

O.

Step-by-step explanation:

There are different types of soils and it is made up of different layers or horizon such as A, B, C, O, R and E. Together all the horizons forming soil profile. Each horizon containing different soil types.

O horizon: Known as top layer of the soil which contains layer of organic matter which is about two inches thick, and made up of humus such as decomposing leaves, dark-colored, carbon rich matter, twigs and microbial biomass which is mixed with small grained minerals for the formation of aggregate structures.