(a) Using specific examples, identify any three classes of settlements based on their functions

(b) Describe the characteristics of any two of the settlement types identified in (a) above. 
 

(a) List four modes of transportation.
(b) Identify four constraints to inland water navigation. 
(c) In what four ways can the constraints identified in (b) above be solved? 

(a) Give three reasons why air transportation may be preferred to the other modes of transportation

(b) State any three disadvantages of air transportation

(c) How can these disadvantages be overcome? 

(a) Give an example of a
(i) light industry? (ii) heavy industry?

(b) Describe any four characteristics of each type of industry

(c) Explain any three favourable factors for the location of any one of the industries 

 (a) What five advantages could be derived when countries trade with one another?

(b) Highlight four factors which influenced the trade between Nigeria and Canada.