Review: in photosynthesis and respiration, energy is converted from one form to another. light is a form of radiant energy. glucose and atp molecules store chemical energy. in the photosynthesis chemical equation, does the radiant energy of the sun act as a reactant or a product? explain your answer.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.