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.
Water is used for hydrogen during the process of photosynthesis and also keeps the plant from dehydrating. Photosynthesis is when a plant uses light, water and carbon dioxide to create energy and food.Water is also used to transport the nutrients throughout the plant and its cells.ater is used for hydrogen during the process of photosynthesis and also keeps the plant from dehydrating. Photosynthesis is when a plant uses light, water and carbon dioxide to create energy and food.