As shown in the image above, the earth's outermost layer is divided into several tectonic plates. which of the following is true about these plates?
a.
the plates move either toward or alongside each other, but not away from each other.
b.
some plates move toward each other, while others move away from or alongside each other.
c.
all of earth's tectonic plates move toward each other.
d.
all of earth's tectonic plates move away from each other.