(a) On an outline map of Nigeria locate and name: (i) one important sea port and one important river port (ii) The road or railway serving each of the ports...

(a) On an outline map of Nigeria locate and name:
(i) one important sea port and one important river port
(ii) The road or railway serving each of the ports in (i) above
(iii) one international airport and one domestic airport

(b) What four factors have helped the development of any one of the ports?

(c) What two factors have limited the use of any one of the ports?