(a) Two types of urban settlements are:
(i) Conurbation and
(ii) Megalopolis
(b) Characteristics of conurbation:
(i) It is made up of two or more towns
(ii) The towns are joined together
(iii) towns still retain their identity
Characteristics of megalopolis:
(i) It is made up of many cities
(iii) The cities a joined together
(iii) It represents the largest urban settlement
(c) Four problems facing urban centres are
(i) Inadequate transport facilities as a result of increasing number of people trooping into urban centres
(ii) Over-use and deterioration of available social amenities such as water, electrical school, etc
(iii) Increase in the rate of crime as a result of lack of employment of able-bodied persons
(iv) The problem of undue increase in human and vehicular traffic in urban areas.