A short passage states: 'Photosynthesis is the process by which green plants use sunlight to synthesize foods from carbon dioxide and water. Chlorophyll, the green pigment in plant leaves, absorbs light energy, which drives the reaction. In most plants, this process occurs in organelles called chloroplasts, which are concentrated in the mesophyll of leaves.' Which TWO of the following statements are directly supported by the passage? (Choose two.)