What physical process is responsible for the great rift valley and the great escarpment? drought erosion glaciation plate movement

I think the answer is plate movement. Tectonic plate movement is the movement on the lithosphere. This movement is defined into three; we have the convergent, divergent and transform. Plate movements often caused volcanic eruptions as well as earthquakes, depending on the movement on the plates.

the correct answer is c

i think the answer to your question is: settlement of the interior and economic growth. ( ^_^)／