Although, hydroelectric power has led to economic progress around the world, it has created serious ecologic problems.
Which one of the following statements is not correct?
1
To produce hydroelectric power, large areas of forest and agricultural lands are submerged.
2
The silting of the reservoirs reduces the life of the hydroelectric power installations.
3
The resettlement of displaced persons is generally not a serious issue as there are many options.
4
The use of rivers for navigation and fisheries becomes difficult once the water is dammed to generate electricity.