oxygen fored as a by-product in photosynthesis is coming from CO2 or H2O??
The oxygen that is released during photosynthesis is formed by the breaking down of water (H2O) molecule.
The oxygen molecule in glucose formed during photosynthesis comes from ______.
The oxygen molecule formed during photosynthesis comes from:
During photosynthesis, the oxygen in glucose comes from
(a) CO2
(b) water
(c) both CO2 and water
(d) oxygen via air