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Plate Tectonics

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Freddy Wunsch

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2y ago
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Cards in this guide (18)
What mechanical layer lies below the lithosphere

asthenosphere

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.

Which type of landform develops at plate boundaries where one oceanic plate descends beneath another

A volcanic island arc

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

What is true about compasses

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

How long before an earthquake do foreshocks occur

It could be days or YEARS before the major earthquake. Plate tectonics are always moving.

Where does most intraplate volcanic activity occur

Hot mantle plumes rise toward the surface within a plate

What do you call the mountains in British Columbia

The main mountain ranges in BC are the Rockies and Coastal Mountains.

Is ayers rock a pluton

Yes, Ayers Rock is the single largest Pluton on earth.

Which type of fault is under compression

Reverse

Its Thrust!

In which layer is the temperature the lowest

The Crust

What is a lens-shaped intrusive igneous mass that forms close to Earth's surface

I believe it's laccolith - NovaNet

How do you uplift and erosion help to form batholith

by exposing a large body of igneous rock to the surface

The release of stored energy from rocks that are deformed by stress is called elastic

shock

The continental crust is what

The continental crust is up to 70 km thick.

Which of the following is true of permanent magnets

magnetic stuff...

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