Answer and Step-by-step explanation:
The answer is M, where for every 3 oxygen atoms, there are 3 oxygen atoms.
In a chemical reaction, there needs to be the same amount of particles/atoms on the reactants side and on the products side. So, since this answers says that for every 3 oxygen atoms in the reactants, there are 3 oxygen atoms in the products, the answer is correct.
#teamtrees #PAW (Plant And Water)
