Question

In addition to controlling annual floods the three gorges dam

Answer 1

Answer:

• In addition to controlling annual floods the dams are used for other purposes like the production of hydroelectricity, for irrigation of crops during dry season, recreational activities, etc.

Explanation:

• Dams are the barriers in the path of the river raised to a certain height which stores the water at the back of this barrier.

• These dams are useful in controlling the annual floods because the excess amount of water can be stored in it, and can be released slowly do that the downstream areas are not flooded.

• The stored water called the reservoir can he used to produce hydroelectricity in which the potential energy of the water is used to rotate the turbine and to produce electricity.

• The reservoir can also be used for irrigation purposes during the dry seasons.

• Beside all of these, dams are also used for recreational activities and large number of tourists visits there.