Question

What is a oxygen cycle

Answer 1

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ur answer


The oxygen cycle is the biogeochemical cycle of oxygen within its four main reservoirs: the atmosphere (air), the total content of biological matter within the biosphere (the global sum of all ecosystems), the hydrosphere (the combined mass of water found on, under, and over the surface of planet Earth), and the ...

Answer 2

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⊙ It is defined as the cycle of oxygen within four resorveirs ; atmosphere , biosphere , lithosphere , and hydrosphere.



⊙ The main driving factor of the oxygen cycle is photosynthesis which is responsible for the morden earth's atmosphere and life on earth on its current form.



⊙ The largest resorvier of earth's oxygen is within silicate and oxide minerals of the crust and mantle.


⊙ Oxygen is one of the abundant elements of earth crust.


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