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(Click for frequent words.) 66 isotope fractionation 64 prebiotic molecules 63 carbonyl sulfide 62 isoprene 62 isotopic ratios 62 inorganic salts 62 biogenic emissions 62 abiogenic 61 dimethyl sulphide 61 isotopic compositions 61 sequestering CO2 61 Carbon dioxide CO2 61 methane CH4 60 sulfate aerosols 60 aromatic hydrocarbons 60 photochemical reactions 60 pre biotic 60 atmospheric deposition 60 atmospheric aerosols 60 carbonaceous material 60 abiotic 60 isotopic signatures 60 aliphatic hydrocarbons 60 dimethyl sulfide 59 carbonate minerals 59 anaerobic oxidation 59 sulfidic 59 silicate minerals 59 CO2 CH4 59 sulfate aerosol 59 chemically reactive 59 clathrates 59 microbial degradation 59 methane ethane 59 immiscible 59 noble gases 59 magnesium silicate 59 hydroxyl radical 59 Neoproterozoic 58 autotrophic 58 Sulfates 58 gaseous 58 silicates 58 isotopic variations 58 polyaromatic hydrocarbons 58 carboxylic acids 58 chondritic 58 nebular 58 phosphonates 58 thermal decomposition 58 inorganic substances 58 carbonate globules 58 photosynthetic bacteria 58 olivines 58 iron sulfide 58 carcinogenic toxins 58 carbonaceous 58 single celled algae 58 silicate mineral 57 anaerobic decomposition 57 ozone O3 57 sulphates 57 fermionic 57 isotopic composition 57 inorganic mercury 57 inorganic compounds 57 nitrogenous compounds 57 weakly interacting 57 calcic 57 alkanes 57 pyroxene 57 solvation 57 organometallic compounds 57 chemosynthetic 57 anaerobes 57 evaporites 57 biomass combustion 57 magmas 57 formamide 57 ethane propane butane 57 sulphide mineral 57 photosynthetic organisms 57 N2O emissions 57 oligomeric 57 hydroxyl radicals 57 Proteobacteria 57 biogenic methane 57 aerosol particles 57 physico chemical properties 56 tholins 56 primitive meteorites 56 osmium 56 basaltic rocks 56 nanobacteria 56 volatilized 56 hydrochloric acid HCl 56 isotope ratios 56 iron oxides 56 silicate rocks 56 methyl chloroform 56 humic 56 soils sediments 56 Methane hydrate 56 carbon isotopes 56 #,# dichlorobenzene 56 hexadecane 56 clathrate 56 bioaccumulation 56 eclogitic 56 tetrachloroethene PCE 56 dissolved inorganic 56 phenanthrene 56 anthropogenic carbon dioxide 56 methanogenesis 56 organic compounds 56 methyl mercaptan 56 terrestrial biosphere 56 homochirality 56 oxygenic photosynthesis 56 methanogenic 56 methanogenic bacteria 56 bacterial decomposition 56 PAHs polycyclic aromatic hydrocarbons 56 biomineralization 56 stony meteorites 56 humic acids 56 chlorinated compounds 56 nuclides 56 magnetite crystals 56 magmatic 55 amorphous silica 55 interstellar clouds 55 solar nebula 55 photocatalysis 55 zinc sulfide 55 methane oxidation 55 DBPs 55 Carbonaceous 55 Gas hydrates 55 Sulphur dioxide 55 dolomites 55 lacustrine 55 isobutene 55 biomasses 55 sodium salts 55 physicochemical 55 fermion 55 plagioclase 55 condensation nuclei 55 carbonaceous chondrites 55 dinitrogen 55 aqueous phase 55 solids liquids 55 perfluorinated compounds 55 C# fullerenes 55 sorption 55 carcinogenic polycyclic aromatic hydrocarbons 55 sulphate aerosols 55 thiourea 55 chemisorption 55 anorthosite 55 methane hydrate 55 spectroscopic analysis 55 polycyclic aromatic hydrocarbons PAHs 55 CAIs 55 benzene toluene ethylbenzene 55 hydrothermal activity 55 inorganic contaminants 55 kerogen 55 lavas 55 actinide 55 peridotites 55 biogeochemistry 55 alkane 55 bioconversion 55 asphaltenes 55 ligno cellulosic 55 ultracold atoms 55 radioactive nuclei 55 ethene 55 formate 55 sequester CO2 55 marine sediments 55 benthic foraminifera 55 cenospheres 55 heterogeneities 55 prebiotic chemistry 55 calcium sulphate 55 metazoan 55 komatiitic 55 Methane hydrates 55 thermally mature 55 oxygen isotope ratios 55 biogeochemical 55 photochemistry 55 stoichiometry 55 abiogenesis 55 anthracene 55 ammonia NH3 55 bosonic 55 supersolid 55 olivine 55 finely dispersed 54 estrogenic compounds 54 hydroxides 54 PFCAs 54 methane 54 protonated 54 Polycyclic aromatic hydrocarbons 54 biosignature 54 coccolithophores 54 alpha emitters 54 gasifying coal 54 Prochlorococcus 54 crystalline silicates 54 fulvic acids 54 alkali metal 54 Earth biosphere 54 naturally occurring 54 anthropogenic 54 diatoms 54 jarosite 54 hydro carbons 54 crystalline solids 54 chlorinated organics 54 geosphere 54 redox reactions 54 prebiotic soup 54 mineralogical composition 54 carbonaceous shales 54 bacterial mats 54 hydrogen cyanide HCN 54 algal species 54 inorganic ions 54 degrading enzymes 54 plastids 54 Nitric acid 54 vibrios 54 crustal rocks 54 Hydrogen sulphide 54 Bose Einstein condensation 54 ALH# 54 biotransformation 54 gaseous hydrocarbons 54 hydroperoxide 54 anthropogenic CO2 54 heterotrophic 54 Permo Triassic 54 cometary material 54 depositional environment 54 MWNT 54 sylvite 54 phosphonate 54 polycyclic aromatic hydrocarbon 54 phosphine 54 forams 54 stratospheric ozone depletion 54 incomplete combustion 54 lunar magma 54 thermodynamic properties 54 biodegraded 54 radiative 54 allotrope 54 radiogenic 54 climate forcings 54 octanol 54 Zeolites 54 ozone particulate matter 54 benzene toluene 54 oxygen isotopes 54 sterile neutrino 54 Sr Ca 54 methane hydrates 54 perchlorates 54 particulate contaminants 54 photosynthetic organism 54 volcanic aerosols 54 abundances 54 deplete ozone 53 cosmogenic 53 Paleogene 53 neodymium Nd 53 cementite 53 isotopic signature 53 planetesimals 53 degassed 53 ionise 53 carbonyls 53 explosive volcanism 53 naturally occuring 53 electrophilic 53 IR spectra 53 phyllosilicate 53 neutralinos 53 organic molecules 53 combustion byproducts 53 chemical reactivity 53 terpene 53 chlorobenzene 53 nitrification 53 hydrosphere 53 enzymatic reactions 53 albitite 53 carbon disulfide 53 Methane CH4 53 hydrated silica 53 reactant 53 bicarbonate ions 53 hydrogen chloride HCl 53 physico chemical 53 biogeochemical cycling 53 gasification pyrolysis 53 uraninite 53 terpenes 53 silicon monoxide 53 Saturn auroras 53 hydrous 53 volatiles 53 bioavailable iron 53 CO2 sequestration 53 Chlamydomonas reinhardtii 53 desorption 53 Sulfolobus 53 melt inclusions 53 tungstate 53 nitrogenous 53 chlorophyll molecule 53 oxygen isotopic composition 53 water vapor 53 single celled microorganisms 53 hydrothermal fluids 53 porosity permeability 53 carbon cenospheres 53 siloxanes 53 chemosynthesis 53 biphenyl 53 humic substances 53 Trichodesmium 53 Formic acid 53 pinene 53 catalytically active 53 detrital 53 glycolipids 53 antineutrinos 53 geochemists 53 sulfate salts 53 olivine rich 53 catalytic reactions 53 endothermic 53 circumstellar 53 inorganic nitrogen 53 mercaptans 53 mantle plumes 53 silicic acid 53 microscopic airborne particles 53 pyrene 53 hydrocarbons 53 aerosols 53 nucleosynthesis 53 mesoporous 53 fermentation broth 53 nucleation 53 carbonaceous materials 53 enzymatic hydrolysis 53 palaeo 53 alkynes 53 oxidant 53 sulfur trioxide 53 degassing 53 ammonia hydrate 53 peridotitic 53 glucosides 53 hydrocarbon reservoirs 52 calcium oxide 52 amphibole 52 Hydrogen sulfide 52 Martian microbes 52 Nitrogen oxide 52 hydrogen sulphide H2S 52 desorbed 52 absorption spectra 52 anammox 52 paraffins 52 nitrogen fixation 52 deuterated 52 oxidizing agent 52 nonequilibrium 52 pentachlorophenol 52 biominerals 52 proteins nucleic acids 52 reaction kinetics 52 zinc ions 52 photosynthetic microorganisms 52 chloromethane 52 homogeneous catalysis 52 dichlorobenzene 52 iron sulfate 52 epoxides 52 morphologies 52 Ediacara organisms 52 plutonium americium 52 ethane propane 52 geological sequestration 52 claystone 52 carbonyl 52 sulfide minerals 52 cloud condensation nuclei 52 particle morphology 52 borane 52 iron arsenide 52 endospores 52 antiferromagnets 52 deca BDEs 52 calcium fluoride 52 respired 52 evaporite deposits 52 zeolites 52 oligotrophic 52 odorous compounds 52 element osmium 52 hydrated electron 52 renewable feedstocks 52 condensable 52 adsorbate 52 blackbody 52 anthropogenic emissions 52 inhomogeneities 52 isotopic 52 sulfur dioxides 52 thermochemical processing 52 Lengai 52 microplastics 52 ncRNA 52 silicate dust 52 predator prey dynamics 52 magma ocean 52 thermal gradients 52 catalyze reactions 52 lactones 52 chondritic meteorites 52 marine phytoplankton 52 mineralized mafic 52 reactants 52 corona discharge 52 arsenate 52 spinels 52 amphipods 52 petroliferous 52 fluorinated compounds 52 magnesium Mg 52 roseum 52 heterogeneous catalysis 52 siliciclastic 52 nitrogen N2 52 superfluids 52 quinone 52 unmineable coal seams 52 fluxes 52 soluble proteins 52 samarium 52 amphibolites 52 lowermost mantle 52 metalloproteins 52 nucleating 52 benzenes 52 isotopic fractionation 52 carbon spherules 52 geochronology 52 PAHs 52 GHG emitted 52 cellulose hemicellulose 52 apatite 52 scale invariance 52 sulpher 52 alkyl 52 Sulphur Dioxide 52 Ohmoto 52 cyclization 52 Cyanobacteria 52 perfluorocarbons 52 biogases 52 element boron 52 pediment gravels 52 sulfur oxides nitrogen oxides 52 methanogens 52 nucleobases 52 subsurface soils 52 chlorinated hydrocarbon 52 cadmium selenium 52 marine plankton 52 polycyclic aromatic hydrocarbons 52 volcanism 52 aragonite 52 mildly radioactive 52 enargite 52 Bose Einstein condensates 52 hematite mineral 52 isotopic measurements 52 polaritons 52 CdSe 52 ionize 52 carnallite 52 hypersaline 52 nitrogen isotope 52 biomagnification 52 hydrothermal fluid 51 quasiparticles 51 martian meteorites 51 intermolecular interactions 51 post perovskite 51 Martian meteorites 51 carborane 51 depolymerization 51 monoterpenes 51 hydrocarbon accumulations 51 planktonic 51 chlorine peroxide 51 Magellanic Stream 51 hydrologic cycle 51 polyphosphates 51 particle acceleration 51 metallic ions 51 dichloroethene 51 Global Warming Potential GWP 51 seabed sediments 51 limonene oxide 51 gaseous emissions 51 elemental composition 51 Hydrogen cyanide 51 prokaryotes 51 isomers 51 volatilize 51 hydroxyl 51 brittle deformation 51 Diatoms 51 methyl ethyl 51 presolar 51 saline aquifers 51 flood basalts 51 Benzo pyrene 51 hydroxide ions 51 mineral olivine 51 topological insulators 51 posttranslational modifications 51 peroxynitrite 51 manganese carbonate 51 electron neutrinos 51 deformational 51 subsurface ocean 51 ionized particles 51 Mercury magnetosphere 51 chlorinated solvent 51 dynamical processes 51 elemental sulfur 51 nonliving 51 mesospheric 51 Hydrothermal 51 hydrocarbon vapors 51 atmospheric methane 51 BTEX 51 depositional environments 51 magmatism 51 potent greenhouse gas 51 aromatic compounds 51 preg robbing 51 tuffaceous rocks 51 presolar grains 51 tetrahydrofuran 51 nitrogen oxides carbon monoxide 51 forcings 51 eukaryotic algae 51 carbonatites 51 Anisotropy 51 anomalous concentrations 51 komatiites 51 flavanones 51 xylenes 51 BIFs 51 magnons 51 Isoprene 51 clastic 51 dioxide 51 TCE trichlorethylene 51 multi celled 51 radiative forcing 51 desulfurization gypsum 51 crystallites 51 hydroxyl ions 51 sulfur hexafluoride SF6 51 endophytic 51 hydrino 51 neutrino oscillations 51 hydrofluorocarbons HFCs perfluorocarbons PFCs 51 inorganic minerals 51 nanohorns 51 nitrides 51 hydrothermal magnetite 51 positronium 51 Demand BOD 51 oxidizing agents 51 Vinyl chloride 51 silicon tetrafluoride 51 peroxides 51 NO3 51 isothiocyanate 51 thermogenic 51 photolysis 51 microfossil 51 radioactive decay 51 carbonic 51 iron pnictides 51 aldehydes 51 copper sulfide 51 hydrothermal vent 51 pyrogenic 51 divalent 51 methane clathrates 51 sulfur gases 51 Calcium carbonate 51 oxidized mercury 51 infrared spectroscopy 51 gasifying 51 Upper Carboniferous 51 isotope ratio 51 terrestrial ecosystems 51 strontium isotope 51 β carotene 51 phenotypic differences 51 Succinic acid 51 LENR 51 anhydrite 51 adsorbing 51 microbial organisms 51 equilibration 51 adsorbed onto 51 basalts 51 Archean Expansion 51 quantum oscillations 51 unreacted 51 Late Paleozoic 51 macromolecule 51 cyanides 51 tetrapods evolved 51 Microcystis 51 microhabitats 51 BTEX chemicals 51 trichloroethane 51 trimers 51 lignocellulosic biomass 51 drilling muds 51 rhyolites 51 hydroxymethylfurfural HMF 51 Volatile Organic Compounds 51 helium nuclei 51 pillow lavas 51 Ozone depleting 51 gamma rays emitted 51 sedimentary deposits 51 chlorine atom 51 ionised 51 lignocellulose 51 halides 51 coproduct 51 acyclic 51 particulate matter PM#.# 51 anaerobic bacteria 51 cyclohexane 51 tunable diode laser 51 tiny single celled 51 hypochlorous acid 51 chirality 51 phytoplankton blooms 51 cryovolcanism 51 ultracold 51 pyrope garnet 51 silicate mantle 51 potassium carbonate 51 biogeochemical processes 51 metazoans 51 phyllosilicates 51 mineral assemblages 51 carbonate sediments 51 sulfuryl fluoride 51 REE bearing 51 fatty acid methyl esters 51 carbonaceous chondrite 51 diatomic 51 sulfur isotope 51 thiols 51 ammonium ions 51 tropospheric ozone 51 biologically derived 50 cosmic ray intensity 50 soluble salts 50 CNPs 50 floral nectar 50 silicic 50 silicate 50 solvent vapors 50 organochlorine 50 chlorine monoxide 50 Nitrogen oxides 50 enzymatic pathway 50 exothermic reaction 50 unicellular organisms 50 Great Oxidation Event 50 germanium antimony 50 fatty acid esters 50 gaseous methane 50 odorant molecules 50 butylene 50 supercritical CO2 50 Dehalococcoides 50 physiochemical 50 reactive nitrogen 50 polycyclic aromatic 50 Methyl Tertiary Butyl Ether 50 planetary nebula 50 carbonic acid 50 morphological similarities 50 microphysical 50 Mesoproterozoic 50 gangue 50 ultramafic rock 50 adsorption isotherms 50 nitrogenase 50 unicellular 50 volcanic basalt 50 self assembled monolayers 50 toxic hydrogen sulfide 50 benthic invertebrates 50 magnon 50 Sulphates 50 chemical composition 50 UO2 50 biosynthetic enzymes 50 boron trifluoride 50 nitrates phosphates 50 fibrillar 50 gamma ray emission 50 infalling 50 trimethylamine 50 aeolian 50 acetyl CoA 50 Tellurium 50 prokaryote 50 seafloor sediments 50 porphyry intrusions 50 Arsenic occurs 50 carbondioxide 50 nitration 50 polycyclic aromatic hydrocarbons PAH 50 rhizosphere 50 Limonene 50 spherules 50 atmospheric pollutants 50 atmospheric nitrogen 50 layered ultramafic 50 Volatile organic compounds 50 oxygens 50 leachability 50 hydrothermal vents 50 methane clathrate 50 subcellular compartments 50 manganese oxides 50 stoichiometric 50 hydrolyzing 50 Rayleigh scattering 50 surficial 50 lunar crust 50 enzymes catalyze 50 oxide hydrofluorocarbons perfluorocarbons 50 particulate matter nitrogen oxides 50 gases emitted 50 volatilization 50 denitrification 50 Sedimentary rocks 50 mineral apatite 50 simulants 50 Biogenic 50 siderite 50 oxidising 50 bisulfite 50 calcifying organisms 50 archaea 50 ejecta 50 Reiner Gamma 50 anerobic 50 mantle convection 50 monomeric 50 inorganic acids 50 gelation 50 paleomagnetic 50 Sulfur compounds 50 outgas 50 ginsenosides 50 Sodium cyanide 50 bioaccumulates 50 Volatile Organic Compounds VOCs 50 asteroidal 50 sulfuric acids 50 polyamines 50 spectral fingerprints 50 potassium salts 50 isomerization 50 fermions 50 polariton 50 electrochemical oxidation 50 gray hematite 50 denaturant 50 odorants 50 hydroxyphenyl 50 Ionic liquids 50 hemoglobins 50 anthropogenic aerosols 50 protozoans 50 volcanogenic 50 chondrites 50 igneous rocks 50 paleoenvironmental 50 hydrogen ions 50 fluorescence quenching 50 dihydrogen 50 anthropogenic greenhouse gas 50 curium 50 physicochemical properties 50 impurity atoms 50 CaCO3 50 B meson 50 biogenic amines 50 nitrogen dioxides 50 photosynthetic pigments 50 atmospheric moisture 50 ethane methane 50 pyroclastic 50 singlet oxygen 50 spatially resolved 50 benzyl 50 lepton 50 Corexit #A 50 decaying vegetation 50 hydrocarbons HC 50 amyloid beta peptides 50 pyrochlore 50 fluid inclusions 50 isotherms 50 solubilizing 50 thermodynamically stable 50 wettability 50 alkene 50 calcium salts 50 hydrothermal venting 50 deep saline aquifer 50 carbonization 50 catalytically consumes reactive oxygen 50 meteorite impacts 50 spatial variability 50 invisible odorless tasteless 50 morphological evolution 50 topological defects 50 cosmic ray flux 50 microbial ecosystems 50 naturally occurring mineral 50 methane burps 50 geraniol 50 hydrated minerals 50 airglow 50 absorbs ultraviolet 50 toxic dioxins 50 REE minerals 50 quark gluon plasma 50 diallyl 50 interstellar medium 50 microfossils 50 carcinogenic compounds 50 hydrides 50 Alaskite 50 fluorination 50 extrasolar 50 furans 50 Nanobacteria 50 biosignatures 50 Rh proteins 50 benzene arsenic 50 gasses emitted 50 dimeric 50 nanocatalysts 50 Bose Einstein condensate 50 basaltic 50 planktonic foraminifera 50 sulphidic 50 hydrogen sulfide ammonia 50 sulfides 50 zero valent 50 carbon dioxides 50 organic acids 50 ecotoxicological 50 methylene 50 coarser grained 50 Phanerozoic 50 ribonucleic acids 50 aldehyde 50 ethyl ester 50 reactive intermediates 50 meteoritic material 50 polynuclear aromatic hydrocarbons 50 pathfinder element 50 Ordovician extinction 50 supercritical fluid 50 graphitic carbon 50 ammonium compounds 50 meteoritic 50 pentacene molecule 50 NH4 + 50 uranium ores 50 Hydrogen Sulfide H2S 50 anaerobic microorganisms 50 α synuclein 50 Volatile Organic Compounds VOC 50 proteolytic enzymes 50 hydride 50 trans palmitoleate 50 relative abundances 50 concentration gradient 50 groundwaters 50 hydrogenase 50 chloride salts 50 vibrational modes 50 protists 50 diethyl 50 phosphorous nitrogen 50 catalytically 50 adsorbed 50 Halogenated 50 isoprenoid 50 outgassing 50 halocarbons 50 ceramic matrix composites 50 sedimentology 50 anaerobically digested 50 interstellar molecules 50 chondrules 50 Mercaptan 50 astrobiological 50 Chlamydomonas 49 carbonate 49 de nitrification 49 n butanol 49 dynamical evolution 49 ferric iron 49 extrusive 49 Anthony Remijan 49 andesitic 49 Brackish water 49 colorless odorless radioactive 49 aluminosilicate clay 49 colorless flammable 49 manganese zinc 49 decomposing organic 49 Gaseous 49 diffusive 49 Palaeozoic sedimentary 49 magnetic monopoles 49 dichromate 49 xenobiotics 49 calcium carbonates 49 thermochemical 49 microbialites 49 liquification 49 mildly alkaline 49 photosynthetic machinery 49 thermodynamic stability 49 ferruginous 49 volumetrically 49 sandstone intervals 49 solutes 49 Raman spectra 49 diamondoids 49 absorbs carbon dioxide 49 Geochemistry 49 decomposers 49 methanol formaldehyde 49 goethite 49 nitric acids 49 Symbiodinium 49 methyltransferases 49 photosynthetically 49 glycerin byproduct 49 gold nanoclusters 49 C4 grasses 49 Biodegradation 49 silicon dioxide SiO2 49 oligomerization 49 Acrylic acid 49 microscopic single celled 49 amorphous calcium carbonate 49 concentrated brine 49 mineralizing 49 fracing fluids