The Earth's core.
refractionRefraction
Normal Thrust
Wondering slowly with no pattern
The iron nickel core has been determined to actually exist from the examination of meteorites, from the gravitational field of Earth, and from the Earth's density in comparison to its volume.
refraction refraction
pole reversals
compass magnets can be deflected by earths magnetic field or other permanent magnets
Formed from slowly-cooled lava.
APEX;)
The molten bit of the Iron core.
The continental crust is up to 70 km thick.
Liquid.APEX