Related by context. Frequent words. (Click for all words.) 68 absorbs carbon dioxide 62 oxidising 62 oxidizes 62 carbonic acid 61 potent greenhouse gas 61 hydroxyl radicals 60 acidify 59 fluorocarbons 59 oxalic acid 58 absorbs moisture 58 isoprene 57 biodegrades 57 hydrogen ions 56 nitrification 56 decomposes 56 photosynthesize 56 liquefies 56 naturally occurring mineral 55 oxidizing 55 plankton blooms 55 dioxide 55 electrochemically 55 kerogen 55 hygroscopic 55 Acidic 54 sequester carbon dioxide 54 photocatalyst 54 clathrates 54 hydroxide 54 Photosynthesis 54 potassium permanganate 54 fungal spores 54 CO ² 54 dehydrates 54 atmospheric nitrogen 54 absorbing carbon dioxide 54 oxygenating 54 oxidize 53 aerosol particles 53 oxidization 53 sulphate 53 formic acid 53 mucilage 53 granulate 53 water vapor 53 anaerobic bacteria 53 reactive oxygen 53 ultra violet radiation 53 arsenate 53 Burning fossil fuels 53 copper sulphate 53 naturally occurring substance 53 humic acid 53 ionic liquid 53 aromatic hydrocarbons 53 Supercritical 53 malic acid 53 deplete oxygen 53 chlorella 53 denitrification 53 alkali 53 Nitrogen oxides 53 nitrogen 52 hydrologic cycle 52 potent neurotoxin 52 noble gases 52 potassium hydroxide 52 chlorophyll 52 purines 52 photosynthesis 52 absorb carbon dioxide 52 Chlorophyll 52 Sulfuric acid 52 flue gases 52 combustion gases 52 inorganic compounds 52 Hydrogen sulfide 52 Ultraviolet light 52 electrically conducting 52 carbon dioxide 52 H#O# 52 polymerisation 52 adipic acid 52 micro organism 52 radioactive decay 52 isotope ratios 52 oxidants 52 thermochemical 52 seeds germinate 52 NH3 52 co2 52 Aloe vera 52 Oxidation 52 NADH 52 excretes 52 naturally occurring bacteria 52 hemicellulose 51 CO -2 51 lignocellulose 51 acidifying 51 gasified