The answer is the third option! Photosynthesis is the process in which plants convert carbon dioxide, water, and light energy into oxygen and glucose! Have a great day, I hope this helped! ^_^
Explation photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.