(a)List three characteristics of metamorphic rocks.

(b)Describe three modes of formation of metamorphic rock

(c)Outline three economic benefits of rocks.

(a) List five sources of water pollution

(b) Highlight five measures that can be taken to control water pollution.

(a)Define conurbation

(b)Name one example each of conurbation in two different countries.

(c)Outline four problems associated with conurbations.

(d)Suggest four solutions to the problems outlined in (c) above.

(a)In what five ways has railway transportation contributed to the economic development in Tropical Africa?

(b)Suggest five ways of improving the development of railway transportation in Tropical Africa.

(a)Define shifting cultivation

(b)Describe the practice of shifting cultivation in Nigeria under the following headings:

   i.three characteristics

  ii.two benefits

 iii.four disadvantages