water is made of hydrogen and oxygen
water has not oxygen_and_hydrogen water has oxygen_and_hydrogen chemical_components_of_water is hydrogen_and_oxygen. atoms_in_water is hydrogen_and_oxygen. chemical_components_of_water is not hydrogen_and_oxygen. water is element. water is not compound_of_hydrogen_and_oxygen. water has oxygen water is compound_of_hydrogen_and_oxygen. water is water.