The complex energy-rich organic matter which living organisms need for life is? by Sunday | Nov 16 | Biology WAEC | 0 comments A. water B. air C. food D. mineral salts Correct Answer: Option C C. food Users Also Read These:The thin layer of unconsolidated mineral particles…The role of dead organic matter in the soil is to?Which of the following is not a function of organic…The process by which organic matter is decomposed…The smallest living organism which share the…