Where does most of the oxygen at earth reside?

Question

Physics

Jaydin Kaiser

23 January, 11:42

Where does most of the oxygen at earth reside?

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Lennon Chen · Answer 1

Well most of the earth's oxygen resides in mineral oxides of the crust. a small fraction resides in the atmosphere and an even smaller fraction resides in the biosphere. still the biosphere is crucial to understanding the atmospheric oxygen budget as it controls short term exchanges between sediments and the atmosphere.