Element Atomic Mass (amu)

hydrogen 1

carbon 12

oxygen 16

The law of conservation of matter states that matter cannot be crated nor destroyed. How does the balance equation above demonstrate this law?

CH4 + 2O2 → CO2 + 2H2O

AThe number of molecules, number of atoms, and type of elements are equal.
BThe number of atoms, type of elements, and mass of reactants and products are equal.
CThe number of molecules, types of elements, and mass of reactants and products are equal.
DThe number of molecules, number of atoms, and mass of reactants and products are equal.