Decomposition of soil organic matter is mainly caused by? by Sunday | Jan 12 | Agricultural Science WAEC | 0 comments A. bacteria B. algae C. fungi D. nematodes Correct Answer: Option A – bacteria Users Also Read These:Consider the reaction represented by the equation:…Which of the following organisms will not bring…Which of the following involves the decomposition…Which of the following is not a function of organic…The duality of matter implies that matter?