The thin layer of unconsolidated mineral particles and organic matter covers land surface is called? By: Sunday|Published on: Jun 15|Categories: Geography WAEC| 0 comments A. soil B. sialic rock C. earth’s crust D. biosphere Correct Answer: Option A – soil Users Also Read These:Decomposition of soil organic matter is mainly caused by?Which of the following is not a function of organic…The complex energy-rich organic matter which living…When ultraviolet light is incident on certain…The process by which organic matter is decomposed…SEE ALSO An igneous rock with distinct grains of mica; feldspar and quartz is?