Botany: Ecosystem (Decomposition)

Match List I with List II. List I: A. Decomposition, B. Detritus, C. Mineralisation, D. Humification. List II: I. Accumulation of dark coloured amorphous colloidal substance, II. Release of inorganic nutrients by the activity of microbes in soil, III. Breaking down of complex organic matter into inorganic substances, IV. Dead remains of plants and animals including fecal matter. Choose the correct answer: