Can anyone tell what this is I wanna know if my answer is correct

How can you keep track of variables in a science experiment?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

The equation shows cellular respiration. during cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and atp. what happens to the energy in the bonds in glucose? the energy is transferred to oxygen. the energy is transferred to carbon dioxide. the energy is transferred to water. the energy is transferred to atp.