(a) Draw a sketch map of Africa. On the map, mark and name: (i) the Rivers Niger and Nile; (ii) two areas of irrigation agriculture along each river. (b) Ou...

(a) Draw a sketch map of Africa. On the map, mark and name:
(i) the Rivers Niger and Nile;
(ii) two areas of irrigation agriculture along each river.

(b) Outline three contributions of irrigation agriculture to any of the area shown in (a)(ii) above.

(c) Highlight three problems facing irrigation agriculture in the area chosen in (b) above.