Answer: The correct answer is- carbon, hydrogen, and oxygen.
Acetic acid is an organic compound that is colorless and has the chemical formula CH₃COOH ( with systematic IUPAC name as Ethanoic acid).
From the chemical formula, it can be said that this acid contains two atoms of Carbon, four atoms of hydrogen, and two atoms of oxygen.
Thus, it can be concluded that the elements, which form acetic acid are-
carbon, hydrogen, and oxygen.