(a) Draw a sketch map of Nigeria. On the map, show and name: (i) a delta (ii) a man-made lake; (iii) a confluence town; (iv) the Jos Plateau. (b) Outline an...

(a) Draw a sketch map of Nigeria. On the map, show and name: (i) a delta (ii) a man-made lake;
(iii) a confluence town;  (iv) the Jos Plateau.
(b) Outline any three physical factors that limit the use of rivers for transportation in Nigeria.
(c) Highlight three possible solutions to the limiting factors mentioned in (b) above.