The overall reaction for photosynthesis produces 2 products. Select one statement that describes one of these products.
1) Photosynthesis uses carbon dioxide from the atmosphere and produces oxygen.
2) Cellular respiration uses oxygen to release energy from food and produces carbon dioxide as a by-product.
3) Photosynthesis uses oxygen to release energy from food and produces carbon dioxide as a by-product.
4) Cellular respiration uses carbon dioxide from the atmosphere and produces oxygen.