Science The net effect of photosynthesis, chemically, is reduction, leading to the formation of which products? a. Carbon dioxide and carbohydrates b. Carbon dioxide and proteinc. Oxygen and carbohydratesd. Oxygen and ATP Asked by rohit17 12 years ago 6/22/2013 10:35 AM Last updated by Jill W 2 years ago 6/8/2023 10:21 AM