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Keith Becker ∙
the mantle and core are composed of different material
P waves refract as they travel through Earth. The shadow zone exists because of seismic waves. The shadows show when the earth spins around.
The weight of the rocks in the crust and upper mantle results in the pressure that allows diamonds to form.
Wondering slowly with no pattern
movement of ocean crust.
Mountain ranges linking in England and America
Tsunami
compass magnets can be deflected by earths magnetic field or other permanent magnets
Reverse
Its Thrust!
The molten bit of the Iron core.
Continental rise is something the passive continental margin has that the active margin does not
The continental crust is up to 70 km thick.
thrust
Tidal heating supports the dynamo theory. Magnetized lunar rocks and asteroids are used for evidence of this.
http://phys.org/news/2012-10-evidence-dynamo-asteroid.htmlEarth's outer core contains liquids that conduct electricity.
Earth's outer core is a liquid. Earth's core contains mostly iron and nickel.
Liquid.APEX