Question

so is oxygen a substance that plants need for photosynthesis? yes no

Explanation:

Photosynthesis is the process by which plants use light energy to convert carbon dioxide ($CO_2$) and water ($H_2O$) into glucose ($C_6H_{12}O_6$) and oxygen ($O_2$). The chemical equation for photosynthesis is

$$6CO_2 + 6H_2O+light energy ightarrow C_6H_{12}O_6 + 6O_2$$

. Oxygen is a by - product of photosynthesis, not a reactant that plants need for the process. Plants need carbon dioxide, water, and light energy for photosynthesis.

Answer:

no