High Quality Content by WIKIPEDIA articles! Oxygen evolution is the process of generating molecular oxygen through chemical reaction Mechanisms of oxygen evolution include the oxidation of water during oxygenic photosynthesis, electrolysis of water into oxygen and hydrogen, and electrocatalytic oxygen evolution from oxides and oxoacids однчй Photosynthetic oxygen evolution is the fundamental process by which breathable oxygen is generated in earth's biosphere The reaction is part of the light-dependent reactions of photosynthesis in cyanobacteria and the chloroplasts of green algae and plants It utilizes the energy of light to split a water molecule into its protons and electrons for photosynthesis Free oxygen is generated as a waste product of this reaction, and is released into the atmosphere.  Роман о людях2010 г Мягкая обложка, 108 стр ISBN 6130363567.