3
QuizMultiple Choice

Theory of Plate Tectonics

Question 3 • LVA-Earth and Space Science - FALL

What could be a possible explanation why tectonic plates do not all move in the same direction?

Answer
A
The magma moves the plates in the same direction, but slab pull makes them move away from one another.
B
The magma moves in the same circular path, but the plates bounce against each other and change direction.
C
The magma moves in “cells,” which circulate in different directions, moving the plates in more than one direction.
D
The magma’s movement in the mantle is highly erratic and causes the plates to move in circles.
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