The north and south poles are the earth's geographic poles, located at each end of its axis of rotation.
(The north and south poles; are; the earth's geographic poles, located at each end of its axis of rotation) (the earth's geographic poles; located; L:at each end of its axis of rotation)
The north and south poles the earth's geographic poles
are located
the earth's geographic poles, located at each end of its axis of rotation
L:at each end of its axis of rotation