2.22 g of NaF*1mol/41.97g of NaF =0.0529 moles
I think that it's cannot include supernatural explanations, or C.
If i got it wrong sorry
The answer is c) to repair and replace other cells.
Cell division is the replication of cells by dividing itself into two, it does not prevent replication. Cell division does not make glucose either and cell division does not make ATP.