Respuesta :

Pretty sure that It's A. As photosynthesis can't possibly release co2. And it also can't make h2o, as that's water. So yeah, it's o2, Which is Oxygen.
Baileestewart17
The answer is D!!!!!! I know this for sure!

-if you would please mark brainliest Bc I need to move up! Thanks and if you have any addition questions just inbox me!