Dams provide water for 40% of irrigated land, yet there are disadvantages to dams. Which of the following is NOT a disadvantage of dam use?
a) loss of water due to evaporation
b) provide electricity for many countries
c) increase in salinity due to evaporation and runoff
d) increase in sediment buildup leads to less available water
e) depletion of river water
b) provide electricity for many countries