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1. why are the poles of a magnet called north and south poles?
a. one pole is positive and one pole is negative.
b. the poles are at opposite ends of the magnet.
c. the poles are the coldest parts of the magnet.
d. the poles line up with earth's north-south axis.
2. what happens if you cut a bar magnet in half between the north and sou
a. one half has a north pole and one half has a south pole.
b. each half is a stronger magnet than the original magnet.
c. each half has both a north pole and a south pole.
d. the two halves are no longer magnetic.