Which statement correctly explains why the chemical equation below does NOT demonstrate the law of conservation of matter? a The number of Oxygen (O) atoms are not equal on both the reactant and product side. b The number of Potassium (K) atoms are not equal on both the reactant and product side. c The number of Chlorine (Cl) atoms are not equal on both the reactant and product side. d There are unequal numbers of all atoms on both the reactant and product side.

a The number of Oxygen (O) atoms are not equal on both the reactant and product side.