Correct Answer: B. coastline is regular

Correct Answer: B. Demand and supply in agriculture are interdependent

Correct Answer: B. buy and sell goods and services

Correct Answer: D. the parable of the Weeds Among the Wheat

Correct Answer: C. man buys, sells and distributes goods and services

Correct Answer: B. soil and time

Correct Answer: C. 120^o

Explanation

Q₁ = 50(alternate angle)

Q₂ = 180^o - 110^o (straight line angle)

Q₂ = 70

PQR = Q₁ + Q₂

= 50^o + 70^o

= 120^o

Explanation

(a) Entrepôt trade involves the importation of goods from one country and re-exportation of the goods to another country.

(b)(i) Advantages of International Trade:

• International trade widens the market for goods;
• It avoids wastage because countries can dispose off the goods they have in excess;
• It improves the standard of living because countries can enjoy what they cannot produce;
• It creates more jobs as in transporting, selling, manufacturing because of the need to increase production to meet foreign demands;
• It brings about specialization and mass production which in turn results in lower unit cost of the product;
• It generates revenues for the countries involved;
• It fosters international relations;
• It encourages the transfer of technology;
• It promotes economic development.

(ii) Disadvantages of International trade:

• It kills local industries whose products cannot compete with those from developed countries;
• It puts the country into perpetual dependency on foreign goods;
• It leads to dumping;
• It may lead to the importation of harmful goods;
• It creates unemployment in importing countries;
• It leads to unfavourable balance of payment.

Correct Answer: B. the distribution chain

Explanation

(a) Merits (i) Respect for the sovereign equality and territorial integrity of other African States

(ii) Increased Nigerian participation in the liberation movements in all colonial African States.

(iii) Increases rapport and friendly relation-ship with other African States.

(iv) Nigeria's active participation in the development of sports and education among African States

(v) Formation of multilateral economic relationship e.g. Chad Basin Commission, Niger Basin Com-mission, ECOWAS, etc

(vi) Nigerian's active participation in peace keeping operations in Africa e.g. Congo, Liberia, Sierra Leone, Chad.

(vii) Assisting other African nations through corps aid scheme whereby highly qualified personnel are deployed to some African countries.

(viii) It gives Nigeria foreign policy a sense of direction and policy consistency.

Demerits: (i) It imposes heavy financial burden on Nigeria

(ii) It leads to loss of lives through peace keeping operation and liberation activities e.g. Congo, Liberia, Sudan, etc.

(iii) It leads to brain drain from Nigeria to other African States.

(iv) It leads to the influx of citizens of other African countries to Nigeria for greener pasture e.g. Ghana in the 1970s and 80s and now Niger and Mali.

(v) Hostilities: Some African countries which benefited from the policy later became hostile and unfriendly to Nigeria and Nigerians e.g. Angola, Liberia, South Africa, Chad, etc. `