Ammonia has the chemical formula NH3; therefore, the elements contained in it are nitrogen and hydrogen.
Carbon, hydrogen, and oxygen.
Compound
The principal elements are C, H, O.
nitrogen and oxygen
There are many elements that are contained in seawater. Some examples include magnesium, sulfur, selenium, silicon, fluorine, sodium, and chlorine.
there are no specific elements that can be mentioned here
Hydrogen and Oxygen
the answer is complement
Diesel fuel have organic components containing C, H, O, N.
The book Elements contained axiomic proofs for plane geometry.
carbon, hydrogen, and oxygen.