Photosynthesis releases as many O2 molecules as it takes in CO2 molecules. It also uses water and produces sugar. I’m not sure if the released oxygen comes fro

Photosynthesis releases as many O2 molecules as it takes in CO2 molecules. It also uses water and produces sugar. I’m not sure if the released oxygen comes from the water or the carbon dioxide but it doesn’t much matter! Edit: looks like it comes from the water. Cool!