Photosynthesis Earth's atmosphere, and supplies all of the organic compounds and most of the energy necessary for life on Earth. Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centres that contain green chlorophyll pigments. In plants, these proteins are held inside organelles called chloroplasts, which are most abundant in leaf cells, while in bacteria they are embedded in the plasma membrane. In these light-dependent reactions, some energy is used to strip electrons from suitable substances, such as water, producing oxygen gas. The hydrogen freed by the splitting
What I Need to Do around" and go back to his lover, then hold her, and then tell her how sorry he is for what he did. What I Need to Do "What I Need To Do" is a song written by Tom Damphier and Bill Luther, and recorded by American country music artist Kenny Chesney. It was released in January 2000 as the fourth and final single from Chesney's 1999 album "Everywhere We Go". The song peaked at number 8 in the United States and number 13 in Canada in 2000. The song describes the narrator thinking about "what [he] need[s] to do" as