(a) What is farm surveying? (2 marks)

(b) State four disadvantages of electrical power.

(c) Give four reasons why farm machines should be maintained. [ 4 marks)

(d) Define the term land as used in agriculture. 

(e) Explain briefly how each of the following factors affects land availability for agriculture: (i) Population pressure; (ii) Mining; (iii) Topography [6 marks]