Question 31
(a) Locate and name the water reservoirs in Figures given below.
(b) Which has an advantage over the other and why?
(A) The water reservoir is a pond in Figure (a) and underground water body in the Figure (b).
(B) Figure (b) has more advantage than Figure (a), because the advantages of water stored in the ground are many. For example
(i) It does not evaporate
(ii) It spreads out to recharge wells.
(iii) Provides moisture for vegetation over a wide area.
(iv) It is protected from contamination by animal and human wastes.
(v) It prevents breeding of insects.