EntityQ552571· pop 28· linked from 149 articlesvolcanic gasSign in to savegases given off by active volcanoesConnectionssulfurEntitylavaEntitycorrosionEntityfumaroleEntityvolcanic coneEntityItalyCountryIcelandCountryGuatemalaCountryHawaiiConcepthydrogenEntityvolcanoEntityoxygenEntityheliumEntitynitrogenEntitymercuryEntityneonEntitychlorineEntitygasEntityargonEntityInternational Standard Book NumberEntityCategoriesGasesGreenhouse gasesVolcanic degassing