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:One of the products of the thermal decomposition of…Under which of the following conditions will organic…The rate of decomposition of organisms is faster in…Which of the following is not a function of organic…The duality of matter implies that matter?