burning fossil fuels releases sulfur dioxide into the atmosphere
sulfur_dioxide is gas. combustion_of_fossil_fuels is not common_source_of_air_pollution. sulfur_dioxide is dioxide. sulfur_dioxide is pollutant. combustion is not when_burns. internal_combustion is burning. sulfur_dioxide is not pollutant. combustion_reaction is burning. combustion_of_fossil_fuels is common_source_of_air_pollution. combustion is when_burns.