Volcanic processes and synthesis of simple organic compounds on primitive earth.
D000447:Aldehydes; D000596:Amino Acids; D000838:Anions; D001272:Atmosphere; D005740:Gases; D055593:Geological Phenomena; D005844:Geology; D006838:Hydrocarbons; D013058:Mass Spectrometry; D008954:Models, Biological; D013472:Sunlight; D014867:Water
D000447:Aldehydes; D000596:Amino Acids; D000838:Anions; D005740:Gases; D006838:Hydrocarbons; D014867:Water