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Learn about the oxygen cycle, a biogeochemical process that involves the movement of oxygen atoms through the atmosphere, biosphere, hydrosphere and lithosphere. Find out how plants, animals, sunlight and other factors produce, use and recycle oxygen in the environment.
- 5 min
Oxygen cycle refers to the movement of oxygen through the atmosphere (air), biosphere (plants and animals) and the lithosphere (the Earth’s crust). The oxygen cycle demonstrates how free oxygen is made available in each of these regions, as well as how it is used.
Jan 27, 2021 · Learn how oxygen atoms are transferred between the atmosphere, biosphere, and lithosphere in the oxygen cycle. Find out the processes of oxygen production, utilization, and release, and how human activities affect the oxygen level in nature.
Learn how oxygen circulates in nature through various forms and processes, such as photosynthesis, respiration, and decomposition. Find out how oxygen is involved in other biogeochemical cycles and how human activities affect its level in the atmosphere.
- The Editors of Encyclopaedia Britannica
Sep 19, 2020 · Learn how the oxygen cycle maintains the level of oxygen on earth through photosynthesis, respiration, combustion, decomposition, and rusting. Find out the learning points and importance of this biochemical cycle for life on earth.
Mar 30, 2010 · Learn how oxygen moves through the atmosphere, biosphere and lithosphere on Earth. Find out the processes of photolysis, respiration, photosynthesis and weathering that affect the oxygen cycle.
Oct 18, 2021 · Learn about the oxygen cycle, a biogeochemical cycle that involves the transformation of oxygen in various forms in the atmosphere, biosphere, hydrosphere, and lithosphere. Find out the sources, properties, and importance of the oxygen cycle for life on Earth.
