Magnetic Field The Earth's magnetic field is what attracts the needle of a compass: much like a bar magnet, the Earth's magnetic field has a north pole and a south pole.
(the Earth's magnetic field; has; a north pole and a south pole) Context(the Earth 's magnetic field has,List([108, 138))):(The Earth's magnetic field; is; what attracts the needle of a compass)
the Earth 's magnetic field has,List([108, 138))
the Earth's magnetic field The Earth's magnetic field
has is
a north pole and a south pole
what attracts the needle of a compass