How do mountain affect the physical qnd human geography of east and southern africa

SOS:

river navigationenergy productionsettlement patternsnumerous natural harborsCoastal Plain WidthThey create swift rapids and cataracts, making large portions of Southern Africa's rivers unnavigable.River water flowing over steep escarpments provides the hydropower to generate electricity for the region.In many places, the coastal plains at the base of the mountains are narrow, hindering settlement.Few natural harbors exist because of the region's steep cliffs.

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D. a mountain abd are made by volcanos and tectonic plates

A) it is created from magma