(a) Draw an outline map of West Africa. On it locate and name: (i) one area of dense population; (ii) one area of sparse population; (iii) an important town...

(a) Draw an outline map of West Africa. On it locate and name:
(i) one area of dense population;
(ii) one area of sparse population;
(iii) an important town in each area;
(iv) the River Niger

(b) Explain four factors that have led to the high density of population in the area shown on your map

(c) Highlight two problems of sparse population density