Spreading centers on continental plates ____.?
a. ?spread much faster than spreading centers on oceanic plates and create rift zones
b. ?spread much slower than spreading centers on oceanic plates and create rift zones
c. ?are identical to spreading centers on oceanic plates
d. ?spread much faster than spreading centers on oceanic plates but do not create rift zones
e. ?spread much slower than spreading centers on oceanic plates but do not create rift zones
ANSWER: b
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