The answer would probably be be D
Answer:
respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
Carbon<span> is found in all living things is the </span>reason<span> that why </span>carbon is able to form macromolecules<span>.
you do not have the reasons listed, so i came up with my </span>own
Cool!!!!!!!!! Congrats :D