Answer the following:
(a) Locate and name the water reservoirs in Figures 16.1 (a) and (b).
Ans. The water reservoir is a pond in Figure 16.1 (a) and underground water body in the Figure 16.1 (b).
(b) Which has an advantage over the other and why?
Ans. Figure 16.1 (b) has more advantage than Figure 16.1 (a), because the advantages of water stored in the ground are many. For example
(a) It does not evaporate
(b) It spreads out to recharge wells.
(c) Provides moisture for vegetation over a wide area.
(d) It is protected from contamination by animal and human wastes.
(e) It prevents breeding of insects.
