(a) Describe four characteristics of igneous rocks

(b) Using specific examples, state four ways in which metamorphic rocks are useful to man. 
 

(a) With the aid of diagrams, describe the characteristics of any two of the following features:
(i) meanders; (ii) flood plain; (iii) braided stream. 
 

6. Use the statistics in the table below to answer the questions that follow:

(a) Draw a Divergence Line Graph to represent the statistics.

(b) (i) Calculate the annual range of temperature.
(ii) State one other method of showing the statistics above. 
 

(a) What is soil profile?

(b) Draw a well labelled diagram of soil profile.

(c) Describe the characteristics of the three zones of soil profile. 
 

(a) Define ecosystem.

(b) Identify, with examples, two main components of the ecosystem.

(c) Describe the interdependence between the two main components identified, in (b) above.

(d) In what twc ways can environmental balance be achieved?