Read these sentences from the text.
The earth’s magnetic poles are in the general direction of the planet’s geographic poles. However, unlike the geographic poles, the magnetic poles are not always in the same place. They are moving slowly.

[. . .]

A magnetic compass is usually comprised of a magnetized needle and a card with north, south, east, and west printed on it. One end of the needle is attracted to the earth’s magnetic north pole. This end is often painted red. With one end showing you the direction of north, you can use the compass to figure out the other directions, too.

Based on these sentences, what does a magnetic compass show someone?
the exact direction of the earth's geographic South Pole
the general direction of the earth's geographic South Pole
the exact direction of the earth's geographic North Pole
the general direction of the earth's geographic North Pole