(a) Locate and name the water reservoirs in figures (i) and (ii).
(b) Which has advantage over the other and why ?
(a) Water reservoir in figure (i) is pond while it is underground water body (ground water) in figure (ii).
(b) Ground water is more advantageous than pond water.
- Prevents flooding,
- Checks soil erosion.
- Retains water underground and prevents drought,
- Increases life of downstream reservoirs and dams,
- Higher biomass production and income of water shed community,
- Maintenance of ecological balance.