sulfur dioxide dissolving in water causes acid rain
sulfur_dioxide is dioxide. acid_rain is rain. byproduct_of_combustion is carbon_dioxide_and_water. sulfur_dioxide is inorganic_substance. acid_rain is serious_form_of_pollution. acid_rain is acid_precipitation. sulfur_dioxide is chemical_compound. sulfur_dioxide is gas. acid_rain is form_of_pollution. acid_rain is air_pollution.