Which best explains why earthquakes sometimes occur in the same locations as mid-ocean ridges and rift valleys?

Mid-ocean ridges and rift valleys form where tectonic plates move apart at divergent boundaries. As the crust stretches and cracks, faults develop, and movement along those faults can cause earthquakes. Choice D correctly connects cracked crust and fault formation with plates moving apart; the other choices describe plates colliding or use the wrong boundary type.

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