a carbonated thing contains land and dissolved oxygen oxygen
hydrogen_carbonate is not carbonate. dissolved_oxygen is not natural_decomposition_product_of_h2o2. hydrogen_carbonate is carbonate. lead_ii_carbonate is not crystal. carbonated_beverage is not mixture. dissolved_oxygen is natural_decomposition_product_of_h2o2. carbonate is not salt. carbonate is salt. cymene is not hydrocarbon. bicarbonate is not carbonate.