| 1. | It absorbs longer wavelength of light and e- from H2O | 
| 2. | It absorbs shorter wavelength of light and e- from H2O | 
| 3. | It absorbs longer wavelength of light and e- from NADP | 
| 4. | It absorbs shorter wavelength of light and e- from NADP | 
| I: | carbon dioxide is reduced. | 
| II: | oxygen is released. | 
| III: | the hydrogen carrier is NAD. |