Question

Cellar respiration converts the reactants oxygen and glucose into carbon dioxide water and energy. The reverse reaction A photosynthesis coverts reactants of Carbon dioxide and water into oxygen and glucose. These two reactions are part of which bio chemical cycle?
Carbon cycle
Water cycle
Phosphorus cycle
Nitrogen cycle

Answer 1

The anwser should be A carbon cycle because both involve carbon dioxide and its roles in both also because none of the others are involved in them besides water but that's not the right cycle.
hope this makes sense and helps