I had a abnormal c x-ray it showed a density in the retrocardic area of lungs what does it mean? Dr. John Chiu Dr. Chiu See doctor: You need to discuss this with your doctor since there are many types of densities which signify different things.
Relevance. Rating Newest Oldest. Best Answer: As said before, photosynthesis does not produce water, it uses the sun's energy to combine carbon dioxide and water to produce carbohydrates and gives off oxygen as a by-product.
Leaf-A plantâs leaves collect sunlight for the process of photosynthesis. Photosynthesis is the process where green plants use sunlight, carbon dioxide and water to make food and oxygen. Little openings in the leaves, called stomata, collect carbon dioxide from the air and release oxygen.