(a) On a sketch map of Nigeria, locate and name (i) one area important for the mining of each of limestone, tin, crude oil and coal (ii) one major town in e...

(a) On a sketch map of Nigeria, locate and name
(i) one area important for the mining of each of limestone, tin, crude oil and coal
(ii) one major town in each area

(b) Explain the importance of any one of the minerals to the economy of Nigeria

(c) Outline any four problems facing the mining industry in Nigeria.