What are the layers/types of soil?

Soil Terminology:Forest Floor: The entire thickness of organic material overlying the mineral soil, consisting of litter and humus.Litter: Undecomposed or only partially decomposed organic material that can be readily identified (e.g., plant, leaves, twigs, etc.).Humus: The dark organic matter that forms in soil when dead plant and animal matter decays. Humus lies under the litter … Continued