Oxidation Is a Favorable Process in an Aerobic Environment, Which

Multiple Choice

Oxidation is a favorable process in an aerobic environment, which is the reason cells are able to derive energy from the oxidation of macromolecules.Once carbon has been oxidized to __________, its most stable form, it can only cycle back into the organic portion of the carbon cycle through __________.

A) CO₂; photosynthesis.
B) CH₃; combustion.
C) CO₂; respiration.
D) CO; reduction.