The most important action in the A horizon of a soil profile is? by Sunday | Jun 14 | Geography WAEC | 0 comments A. eluvation B. deposition C. weathering D. illuviation Correct Answer: Option A – eluvation Users Also Read These:In humid climates, the process by which dissolved…The most predominant action in the first horizon of…The level of development of the soil profile is…In a soil profile; the C-horizon can be described as the?In which layer of the soil profile does most…