(a) Explain the following terms: (i) Population (ii) Competition (iii) Succession (b)(i) State three sources of noise pollution. (ii) List two ways by which...

(a) Explain the following terms:
(i) Population
(ii) Competition
(iii) Succession

(b)(i) State three sources of noise pollution.
(ii) List two ways by which noise pollution can be reduced.

(c) State three effects each of the following pollutants on humans: (i) smoke (ii) sewage