threw photosynthysis
Joseph Priestley experimented to show that plants make oxygen.
Water does not make oxygen in plants.
Plants make oxygen for us a living.
oxygen
oxygen
The y have to have carbon dioxide to make oxygen
They pollinate plants, and this is necessary to create new plants. The new plants create oxygen, so I would say yes. But, to be fair, they do it indirectly.
Plants make or 'synthesize' glucose sugar in the light, and in doing so, release oxygen as well. Oxygen and Glucose sugar.
OXYGEN
oxygen
Photosynthesis.
oxygen