Located near Africa's coasts and rifts, basins are steep slopes and cliffsides that are caused by erosion. Basins are shallow depressions.
Checks and balances? that might not be right i’m not sure
The United States and the Soviet Union were the two competing powers of the Cold War
scientific theory is an explanation of some aspect of the natural world that can, in accordance with the scientific method, be repeatedly tested, using a predefined protocol of observations and experiments.
