The topmost layer of a typical soil profile is? by Sunday | Apr 21 | 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:The horizon of soil profile which encourages the…The B-Horizon of soil profile is also called the?In which layer of the soil profile does most…Soil profile important in agriculture because it?In which layer of the soil profile do most…