The food you eat is processed during cellular respiration to produce stored chemical energy in the form of and as by products.

a. sugar; co2; water
b. water; atp; co2
c. atp; co2; water

B. water; ATP; CO2

Explanation:

Cellular respiration involves three processes glycolysis, TCA cycle and electron transport chain. In glycolysis, the glucose which we obtain from our food  is first converted into pyruvate. This pyruvate is then converted into acetyl-CoA with the help of pyruvate dehydrogenase complex by the process of decarboxylation. The hence formed acetyl-CoA then enters TCA cycle during which carbon dioxide is released as a byproduct. Water & high energy molecules named ATP, NADH as well as FADH2 are also released during TCA cycle. Subsequently, these high energy molecules named NADH and FADH2 enter electron transport chain wherein ATPs are produced from them by the process of oxidative phosphorylation.

ATPs are the main product while CO2 is the main byproduct of cellular respiration.

gold i'm pretty sure i might be wrong