EntityQ1140866· pop 28· linked from 88 articlesoxygen cycleSign in to savebiogeochemical cycle of oxygen within its four main reservoirs: the atmosphere, the biosphere, the hydrosphere, and the lithosphereConnectionsatmosphere of EarthEntitybiogeochemical cycleEntitycarbon sequestrationEntityozone-oxygen cycleEntityEarthConceptAnimaliaEntitybiologyEntityoceanEntityatomEntityoxygenEntitygeologyEntitysugarEntityevolutionEntitysulfurEntitybacteriaEntitymoleculeEntityphotosynthesisEntityInternational Standard Book NumberEntitymineralEntityeukaryoteEntityCategoriesBiogeochemical cycleChemical oceanographyEcologyOxygenPhotosynthesis