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Answer:
#3
Explanation:
Because of gravity. Gravity makes the rocks look like they are in place.
Rift Valley
A rift valley is a lowland region that forms where Earth's tectonic plates move apart, or rift. ...
Tectonic plates are huge, rocky slabs of Earth's lithosphere—its crust and upper mantle. ...
Many rift valleys are part of “triple junctions,” a type of divergent boundary where three tectonic plates meet at about 120° angles.
The correct answer is D) a wide area of dry land located along the southern edge of the Sahara.I'm 100% sure for this answer.