a carbonated thing contains land and dissolved oxygen oxygen
hydrogen_carbonate is carbonate. carbonated_beverage is mixture. carbonate is salt. air has oxygen_nitrogen_and_carbon_dioxide ammonium_carbonate is inorganic_compound. dissolved_oxygen is natural_decomposition_product_of_h2o2. soda is carbonated. hydrogen_carbonate is acid. cymene is hydrocarbon. ammonium_carbonate is carbonate.