When a magnet is used as a compass, its north magnetic pole will be attracted to the south magnetic pole of the earth, and vice versa.
(a magnet; is used; as a compass) (its north magnetic pole; will be attracted; to the south magnetic pole of the earth; T:When a magnet is used as a compass)
a magnet its north magnetic pole
is used will be attracted
as a compass
to the south magnetic pole of the earth T:When a magnet is used as a compass