"Building crescent shaped earthen embankment in level terrain is better than the construction of large dams across the river to store water". Analyse this statement with their effects.

"Building crescent shaped earthen embankment in level terrain is bette

1.	"Building crescent shaped earthen embankment in level terrain is better than the construction of large dams across the river to store water". Analyse this statement with their effects.
Answer» Solution :• ln terrain, the crescent shaped embankments are used as water harvesting structures. They are advantageous as : • The water in them do not evaporate easily. • They help in recharging wells and providing moistwe for vegetation over a long STRETCH of land. • They do not allow mosquitoes to breed. • Such embankments are also protected from animals and HUMAN waste. • Harnessing of water by building dams has its own social, economic and environmental PROBLEMS. • Soda! : As many displace large number of peasants and tnbals without adequate compensation and rehabilitation. • Economic : Huge amount of public money is used. • Environmental: They lead to deforestation. THUS, the statement is justified