Correct Answer: C. lce

Correct Answer: A. road transport

Correct Answer: A. treated sewage

Correct Answer: C. population density

Explanation

(a) Physical factors that hinder the development of railway transport in Nigeria.

(i) Presence of many rivers.

(ii) Soil erosion/Land slides.

(iii) Steep slopes/Gradient.

(iv) Rugged terrain.

(v) Flooding. (vi) Long distances between towns.

(vii)Presence of swampy/ Water logged areas.

(b) Ways in which transportation contributes to the development of Nigeria.

(i) Promotion of information dissemination.

(ii) Movement of goods and services

(iii) Movement of people

(iv) Opening up of new lands

(v) Improvement of standard of living.

(vi) Increase in Gross National Product (GNP) (viii) Enhances the development of tourism.

(viii) Stimulates other sectors of the economy (ix) Capacity building

(x) Development of towns.

(xi) Generation or revenue to government,

(xii) Diffusion of ideas and technology.

(xiii) Generation of income to operators and workers.

(xiv) Promoters national development,

(xvii) Increased production.

(xviii) Provision of employment

(xix) Linkages between areas of production and consumption

(xx) Access to natural resources.

Correct Answer: C. Equatorial climate

Explanation

(a)(i) The advantages of rail transport are: (i) Opening of new areas (ii) Low cost of maintenance. (iii) Ease of transporting bulky goods.

(iv) Cheap transport mode. (v) Can easily transport many passengers. (vi) Suitable for both medium and long distance haulage.

(vii) Used in circumventing interruptions along courses. (viii) Not prone to traffic congestion. (ix) Occupy less space.

(x) Relatively safe for passenger traffic.

(a)(ii) The advantages of water transport are: (i) Cheapest means of transportation

(ii) Low cost of construction. (iii) Free passage for all nations. (iv) Good for passenger traffic. (v) Suitable for large freight.

(vi) Capable of transporting heavy goods. (vii) Relatively safe for passenger traffic. (viii) Low cost of maintenance..

(ix) Facilitates international trade.

(b) Reasons why some countries in Africa have not been able to sustain their rail transport system are:

(i) High cost of fuel.

(ii) Low passengers. (iii) Inadequate capital. (iv) Inadequate technical know-how. (v) Inadequate spare parts.

(vi) Dwindling mineral reserves. (vii) Poor maintenance culture. (viii) Poor management.

(ix) Competition with other modes of transport.

(x) High cost of infrastructural development. (xi) Low freight/Cargo.

(xii) Absence of door-to-door services.

(xiii) Unstable government policies.

Correct Answer: B. Suitable species are identified

Correct Answer: B. from the Equator

Correct Answer: D. Accra