(a) Describe the characteristics of the tropical grassland vegetation

(b) Outline the economic values of this vegetation type to the inhabitants of the region 

 (a) Name two main types of environmental pollution and describe three causes of any one of them

(b) State three effects of pollution on man 
 

(a) Explain two physical and two human factors which may favour a rapid growth of population

(b) Outline five problems that may arise from the rapid growth of population
 

(a) Identify three types of rural settlements and describe the main characteristics of each

(b) In what four ways are rural and urban settlements interdependent?
 

 In what ways can transportation contribute to the economic development of any one country?