Answered

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Which of the lettered choices in the soil profile above represents the region the region with the greatest concentration of organic material?
(soil layers chart starting with a as the top soil and moves down to E)
A(top layer)

Sagot :

The top layer of the soil profile above is indicated by the lettered options as having the highest concentration of organic material.

The topsoil is the richest in nutrients needed for plant life because it contains the most organic materials and soil life. A deeper covering of topsoil will be present in areas with a high rate of organic substance turnover.

Horizons are the name for the soil's strata. The topsoil layer is the highest horizon. The topsoil is made up of a combination of sand, sediment, clay, & humus, which is decomposed organic material. Rich in organic materials and severely degraded, the humus is mostly formed of twigs, crushed leaves, microscopic bugs, and dead plants.

Learn more about topsoil at

https://brainly.com/question/20132394?referrer=searchResults

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