Answer: The answer is actually D. glucose and oxygen.
Explanation: The processes of photosynthesis and cellular respiration are interdependent. The products of one process act as the starting materials, or reactants, of the other process.
Photosynthesis produces glucose and oxygen. These products are used as reactants in the process of aerobic respiration. Aerobic respiration produces carbon dioxide and water. These products are used as reactants in the process of photosynthesis.
