Answer: D. photosynthesis
Explanation:
Exothermic processes are those processes in which heat is released and endothermic processes are those processes in which heat is absorbed.
A. Combustion of fuels is an oxidation of hydrocarbons where energy is released.
B. Burning of wood is oxidation of carbon in which energy is released.
C. Cellular respiration is oxidation of food to release energy as ATP.
D. Photosynthesis is process of generation of food by green plants by use of sunlight as energy source.
E. Nuclear explosion involves nuclear reactions in which energy is released.
