Which statement describes the magnetic field inside a bar magnet?
a. it points from north to south.
b. it points from south to north.
c. it forms loops inside the magnet.
d. there is no field within the magnet.

it points from South to North

Explanation:

The lines of magnetic field from a bar magnet form closed lines. By convention, the field direction is taken to be outward from the North pole and in to the South pole of the magnet and inward from South to North.

explanation:

newton's third law, for every action there is an equal and opposite reaction.

a is the best answer your welcome