(a) List three types of sedimentary rocks classified according to their mode of formation.

(b) Name the rocks that are formed when the following undergo metamorphism:
(i) granite;
(ii) clay;
(iii) shale;
(iv) limestone

(c) Outline four differences between Sedimentary and metamorphic rocks.

(a) List three landforms that are associated with extrusive volcanic action. 

(b) With the aid of a diagram, describe the characteristics and mode of formation of laccoliths.

(a) Define environmental balance.

(b) With the aid of a diagram, explain the water cycle.

(c) In what three ways is the water cycle beneficial to man?