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| the movement of oxygen through the atmosphere (air), biosphere (plants and animals, and the lithosphere (earths crust). demonstrates how oxygen is made available in each region and how it is used. |
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| Largest reservoir location (O) |
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Definition
| within the silicate and oxide minerals of the crust and mantle (99.5%) |
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| Main source of atmospheric oxygen |
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Definition
photosynthesis
-6CO2 + 6H2O + energy → C6H12O6 + 6O2
-The tiny marine cyanobacterium Procholorococcus accounts for more than half of the photosynthesis of the open ocean. |
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Term
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Definition
– 2H2O + energy → 4H + O2
– 2N2O + energy → 4N + O2
-Primary loss form the atmosphere are respiration and decay
-loss to the lithosphere is in the formation of iron oxides
4FeO + O2 → 2Fe2O3 |
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