(a) In a tabular form, state five differences between subsistence and commercial agricuiture (5marks)

(b) Suggest two possible solutions to each of the following problems of agricultural development an West Africa (i) Inadequate land (ii) Inadequate finance (iii) Incidence of diseases (6 marks)

(c) What is agricultural ecology? (2 marks)

(d) State five sources of pollution of agricultural lands and fish ponds. (5marks)