The emergence of the derived savannah vegetation of Nigeria is due mainly to?

The western side of Southern Africa is dry because?

The graph above shows the birth and death in a country over a period of time. At what point was the population increase most rapid?

In addition to rice which crop combination can be ideally grown in the climatic region depicted in the graph above?

Which of the following countries of Africa has little or no potential for hydro-electricity generation ?

What is the most important mineral deposit found in the Saharawi Arab Democratic Republic?

ECOWAS is a viable economic region because of?

Which of the following groups of environmental problems is commonly associated with mining activities?

Which of the following countries produces all of copper, petroleum, iron ore and diamond?