Official 48 Lec 2
Question 5 of 6
According to the crack hypothesis, what causes a hot spot?

A.

Hot magma rises from deep in Earth to melt a piece of the crust

B.

Hot magma flows out through a break in the side of an active volcano

C.

Hot magma flows up through spaces created between tectonic plates as they move

D.

Hot magma flows up at a point where a tectonic plate has been stretched thin

正确答案:D

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