If a comp is located at the geographical North Pole, in which direction would its needle point? ?

While all directions from the north pole are indeed south, the needle would point in a specific direction, towards northern Canada. That is because that is where the magnetic north pole is located. The magnetic north pole is offset from the geographic north pole, as can be seen here: a href="http://antwrp.gsfc.nasa.gov/apod/ap991019.html" rel="nofollow"http://antwrp.gsfc.nasa.gov/apod/ap99101…/a