The topmost layer of a typical soil profile is? By: Sunday|Published on: Apr 21|Categories: Biology NECO| 0 comments A. clay B. coarse sand C. fine sand D. gravel E. humus Correct Answer: Option E – humus Users Also Read These:In which layer of the soil profile do most…The level of development of the soil profile is…In a soil profile; the C-horizon can be described as the?A soil profile refers to the?In which layer of the soil profile does most…SEE ALSO The first bone of the vertebral column located in the neck region is called?