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Plate Tectonics

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Keith Becker

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2y ago
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Cards in this guide (14)
The shadow zone exists because

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.

What causes the pressure that allows diamonds to form in the mantle

The weight of the rocks in the crust and upper mantle results in the pressure that allows diamonds to form.

Which best describes earths north magnetic pole

Wondering slowly with no pattern

Magnetic stripes on the seafloor are caused in part by

movement of ocean crust.

Which was an idea used to promote the theory of plate tectonics

Mountain ranges linking in England and America

Where is the term for a water wave that is Created by on Underwater earthquake

Tsunami

What is true about compasses

compass magnets can be deflected by earths magnetic field or other permanent magnets

Which type of fault is under compression

Reverse

Its Thrust!

Which of the Earths layers is just below lower mantle

The molten bit of the Iron core.

What does the passive continental margin have that the active margin does not

Continental rise is something the passive continental margin has that the active margin does not

The continental crust is what

The continental crust is up to 70 km thick.

In A Blank Fault The Hanging Wall Moves Up Relative To The Footwall

thrust

What evidence supports dynamo theory

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.html
Earth's outer core contains liquids that conduct electricity.

Earth's outer core is a liquid. Earth's core contains mostly iron and nickel.

what Temperature and pressure combine to keep the outer core in a state

Liquid.APEX

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