(a) With the aid of annotated diagrams, describe the characteristics of various stages of river course
(b) List three ways by which rivers are beneficial

(a) List five sources of water pollution
(b) Highlight five measures that can be taken to control water pollution

(a) With the aid of diagrams, explain how the following factors affect the temperature of a place: (i) latitude (ii) aspect and slope

(a) Highlight three differences between plutonic and volcanic rocks
(b) With the aid of diagrams, describe the mode of formation of crater lake

(a) State three characteristics of limestone region
(b) Describe the formation of limestone pillar.
(c) In what two ways is limestone important to man?