What are the advantages of a.c. over d.c.?

What are the advantages of a.c. over d.c.?

Advantages of a.c. over d.c. are:
a) a.c. can be transmitted over long distances using step up transformer.
b) a.c. voltages can be varied easily.
c) a.c. can be conerted to d.c. easily.
d) Without loss of energy a.c. can be reduced using chocke coil.