Carbon IsotopesCarbonOxygenIsotopesCarbon DioxideOxygen IsotopesIsotope LabelingOxygen ConsumptionNitrogen IsotopesReactive Oxygen SpeciesCarbon MonoxideNanotubes, CarbonAtmosphereMethyl ChlorideGeologic SedimentsFossilsPhotosynthesisChemical FractionationMethanePaleontologyEthylene DichloridesXanthobacterVolcanic EruptionsCarbon Monoxide PoisoningPinus taedaPlant LeavesCarbonatesPeptococcaceaeCarbon Compounds, InorganicOxygen Inhalation TherapyCarbon CycleBiomassPlant TranspirationSinglet OxygenEpitestosteroneEcosystemFlaveriaRhamnusNitrogenBiodegradation, EnvironmentalHistory, AncientWaterSeawaterMyrtusHyphomicrobiumCarbon TetrachlorideOceans and SeasDoping in SportsSoilGas Chromatography-Mass SpectrometryCarbon SequestrationAnaerobiosisPlant StomataZinc IsotopesOxidation-ReductionCarbon DisulfidePhosphoenolpyruvate CarboxylaseFresh WaterRainSulfur IsotopesTreesAcetatesRibulose-Bisphosphate CarboxylaseDeuteriumExtinction, BiologicalPartial PressurePoaceaeTimeClimateIron IsotopesHyperbaric OxygenationChiropteraPlantsCarbon Tetrachloride PoisoningKineticsCarbon RadioisotopesModels, BiologicalSulfatesBacteriaGeographyAnoxiaHydrogen PeroxideOxidative StressAerobiosisStrontium IsotopesCarbon FootprintGlucoseOximetryHydrogen-Ion ConcentrationMass SpectrometrySeasonsRadioisotope Dilution TechniqueCarboxyhemoglobinTime FactorsPhylogenyHemoglobinsDietCulture MediaHydrogenBiological Evolution