Energy in South Africa describes energy and electricity production, consumption and export in South Africa. South Africa was 6. top hard coal producer in 2009. Hard coal production was 1,620 TWh in 2009 and total energy production 1,995 TWh in 2008.
Too much power in the central government
The answer is b. elastic deformation
In geologically active areas, stress causes rocks to deform or stretch out. But when the stress ends, the faults return back to normal through elastic deformation. They regain their original shape.