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what is a oxygen cycle
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The oxygen cycle is the biogeochemical cycleof 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 lithosphere/Earth's crust.
Lalithsirvi28:
from wher you got it
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the oxygen cycle is the biochemical cycle that describe the movement of oxygen within and between its three main reservoir :atmosphere the total content of biological matter within the biosphere and the lithosphere
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osm it's correct
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