What is the definition of the oxygen cycle?

2 answers:

6 0

The oxygen cycle is the biogeochemical cycle ofoxygen within its three main reservoirs: the atmosphere (air), the total content of biological matter within the biosphere (the global sum of all ecosystems), and the Earth's crust.

Nikitich [7]2 years ago

3 0

The process by which oxygenreleased into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis. Origin ofoxygen cycle Expand.

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