The balanced equation for photosynthesis is shown below. 6 CO2 + 6 H2O → C6H12O6 + 6 O2

Using the above equation, how would you prove the law of conservation of mass?

A. By showing that the numbers of atoms of different types are equal on both sides.
B. By showing that the numbers of atoms of the same type are equal on both sides.
C. By showing that the numbers of atoms of different types are not equal on both sides.
D. By showing that the numbers of atoms of the same type are not equal on both sides.