(a) On a sketch map of Nigeria, locate the name
(i) two areas of low population density
(ii) two areas of high population density
(iii) one important town in each of the areas shown

(b) State three advantages of;
(i) low population density to any one of the areas shown in (a) (i) above
(ii) high population density to any one of the areas shown in (a)(ii) above.