Multiple Choice
According to the supercontinent model:
A) at some future time, all continents will join together in a single supercontinent, and plate tectonics activity will cease.
B) continental fragments have migrated around the globe and then reassembled as a supercontinent at least three times in Earth history.
C) the breakup of a future supercontinent will lead to the destruction of all continental crust in subduction zones.
D) all the geologic provinces in a supercontinent have the same radiometric age.
Correct Answer:

Verified
Correct Answer:
Verified
Q5: When a plate carrying continental crust converges
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Q40: _ have occurred on average every 500,000
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Q42: The inner core is molten.
Q43: Alfred Wegener proposed in his _ _
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