41. Which factor of industrial location explains the establishment of cement industries near areas of limestone deposit? Proximity to
A. Power
B. Source of raw materials
C. Market
D. Income sources
42. Which of the following modes of transportation provides door-to-door services?
A. Road transport
B. Rail transport
C. Ocean navigation
D. Air transport
43. African rivers exhibit the following characteristics except
A. That they have sources in the interior highlands
B. The presence of rapids and waterfalls on their courses
C. That they exhibit seasonal variations in water volume
D. That they have great depths
44. What method of mining is used for extracting petroleum in Africa?
A. Crushing
B. Drilling
C. Adit
D. Open cast
45. What factor accounts for the slow rate of industrial development in Tropical Africa?
A. Inadequate capital
B. Availability of essential social services
C. Adequate skilled labour
D. Modern technology