At the East Pacific Rise in the Pacific Ocean, the Nazca plate is moving away from the ridge toward the South America Plate with a spreading rate of about 13.5 cm/year. Suppose that the new basaltic floor forms today at the ridge. How far and in which direction will it move in 4 million years from now? 540 km and westward O 270 km and westward O 540 km and eastward 270 km and eastward

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