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Oxygen cycle
Cyclic movement of oxygen in different chemical forms from the environment, to organisms, and then back to the environment. (source: EPA) Background from Wikipedia The oxygen cycle. The oxygen cycle is the biogeochemical cycle that describes the movement of oxygen within and between its three main reservoirs: the atmosphere, the biosphere, and the lithosphere. The main driving factor of the oxygen cycle is photosynthesis, which is responsible for the modern Earth's atmosphere and life as we know it. Because of the vast amounts of oxygen in the atmosphere, even if all photosynthesis were to cease it would still take about 2 million years to strip out more or less all oxygen. News Today Online,The carbon dioxide-oxygen cycle is an example of the delicate balance that exists between living things and the gases of the air. Kids face climate ordeal - Apr 6, 2007 Courier Mail,The phytoplankton in that top 15cm are the power house for the sunlight / carbon / oxygen cycle. As the water temp rises, the production of oxygen increases Realign Sethusamudram Channel Project for national security - Apr 2, 2007 Organiser,...reefs and algae (ayurvedic herbals also contributing to photosynthesis of oxygen cycle) which provide for livelihood of millions of coastal people. Earth sciences: Ups and downs of ancient oxygen - Oct 12, 2006 Nature.com (subscription),To explain why it is curious that the carbon-isotope signature of rocks did not change after the GOE, one must consider how the long-term oxygen cycle works. ... News index | RSS | News Feed Advertisements: Organic Apparel from Patagonia | Insect-repelling clothing |
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