contribution is the answer
Answer:
Hydrogen and part oxygen
Explanation:
Water is composed of these two which makes the symbol H20
In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
