Question

in the chemical process of photosynthesis, sunlight is primarily considered a(n) a catalyst. b enzyme. c product. d reactant.

Explanation:

Photosynthesis uses sunlight, water, and CO₂ to produce glucose and O₂. Sunlight provides energy required for the reaction, acting as a necessary input. Catalysts/enzyme speed reactions without consumption; products are outputs. Thus, sunlight is a reactant.

Answer:

D. reactant