Question

which is not a reactant for photosynthesis? carbon dioxide oxygen light water

Explanation:

The photosynthesis reaction is \(6\text{CO}_2 + 6\text{H}_2\text{O} + \text{light energy}
ightarrow \text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2\). Reactants are carbon dioxide, water, and light; oxygen is a product, not a reactant.

Answer:

oxygen