All decomposition reaction are endothermic but decomposition of vegetable matter into
compost is exothermic because
(a) It is an oxidation reaction
(b) decomposition done by microbes
(c) releases heat energy
(d) all the above
compost is exothermic because
(a) It is an oxidation reaction
(b) decomposition done by microbes
(c) releases heat energy
(d) all the above