sentences: photosynthesis means green plants convert from carbon dioxide and water and solar energy into carbohydrates and food and oxygen for themselves & carbohydrates are made of sugars ->  photosynthesis means plants convert carbon dioxide and water into sugars and oxygen  photosynthesis means plants convert carbon dioxide and water into sugars and oxygen & photosynthesis is a kind of chemical process -> photosynthesis is a kind of process that converts carbon dioxide and water into sugars and oxygen