Vocbulary: asthenosphere Pangaea fault tectonic plates folding

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Vocbulary:
asthenosphere
fault
folding
seismic waves
inner core
crust
Pangaea
tectonic plates
outer core
volcanic mountains
San Andreas fault system
plate tectonics
Questions:
Describe the role of the asthenosphere in the movement of tectonic plates.
How do fossils help prove that the continents move?
What was Pangaea?
What two features form when rocks bend?
How does sea-floor spreading provide evidence that the continents are moving?
Tectonic plates forming a transform boundary may move only a few centimeters each year. Can even this
small movement affect people and communities living near a transform boundary? Explain your answer.
If scientists were able to drill through the Earth’s crust, would it be easier to drill through oceanic crust or
continental crust? Explain your answer.
Explain the process of subduction.
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