Photosynthesis More recent studies, reported in March 2018, also suggest that photosynthesis may have begun about 3.4 billion years ago. The main source of oxygen in the Earth's atmosphere derives from oxygenic photosynthesis, and its first appearance is sometimes referred to as the oxygen catastrophe. Geological evidence suggests that oxygenic photosynthesis, such as that in cyanobacteria, became important during the Paleoproterozoic era around 2 billion years ago. Modern photosynthesis in plants and most photosynthetic prokaryotes is oxygenic. Oxygenic photosynthesis uses water as an electron donor, which is oxidized to molecular oxygen () in the photosynthetic reaction center. Several groups of animals
What Faith Can Do and believe that nothing is impossible with God. That's what faith can do. The take-away message is to know that God cares for you personally and that He wants a personal relationship with each and every one of us. For believers, the song is a reminder about making a faithful commitment to live with the kind of faith that God calls each of us to have." The music video for the single "What Faith Can Do" was released on February 12, 2010. What Faith Can Do "What Faith Can Do" is a song by American Christian rock band Kutless from