Question

a) Name any two renewable and two non-renewable resources for mankind.
b) Define overpopulation.
b) Population grows exponentially. What is meant by this statement? [5 MARKS]

Answer 1

a) 2 Marks
b) 1 Mark
c) 2 Marks

a) Renewable resources : (1) Wind (2) Sunlight
Non-renewable resources : (1) Minerals (2) Fossil fuels (coal and petroleum)

b) When the population growth rate is higher than the national income, the per capita income tends to decline. This is regarded as a state of overpopulation.

c) If the conditions are ideal, a population will double in size during constant period of time and it is known as exponential growth. It gives a J-shapes growth curve.