(a) Give an account of the economic importance or rocks

(b) Describe the characteristics and mode of formation of igneous rocks 
 

With the aid of well-labelled diagrams describe three main differences between the landform of any two of the following pairs

(a) Zeugens and yardangs

(b) Waterfalls and gorges

(c) Ria coasts and fiord coasts

(d) Levees and deltas. 
 

Describe either the Tropical Monsoon or the Cool Temperate Western Margin (British type) climatic region under the following headings
(a) Climate
(b) Vegetation
(c) Human activities

Choose any one of the following vegetation types:

(a) Cool temperature eastern margin (Laurentian type)

(b) Temperate grassland

(c) Tropical rainforest

Describe the vegetation type chosen under the following headings
(i) location
(ii) vegetation characteristics
(iii) economic importance
 

Discuss any four ways in which man has interfered with his natural environment.