The balanced equation for photosynthesis is shown below.

6 co2 + 6 h2o → c6h12o6 + 6 o2

which statement best justifies the conservation of mass during photosynthesis?

the total number of carbon atoms on both sides is 6.
the total number of hydrogen atoms on both sides is 18.
the number of oxygen atoms is equal to the number of carbon atoms on each side.
the number of oxygen atoms is equal to the number of hydrogen atoms on each side.