Question

Why there are advantages and disadvantages of a dam but for hydro power generation

Answer 1

Answer:

A dam is an artificial wall or barrier to restrict the flow of running water and form a huge lake or water reserviour. Hydroelectricity is one major use of dams out of many. The advantages and disadvantages of dams are indicated below.

Advantages:

1. They provide water for domestic, industry and irrigation purposes.
2. Dams can be used to rear fish for human consumption.
3. Dams can be used as waterways.
4. During heavy rainfall or excess water flow, dams store water then release water during times of low natural water flow are and meet water our water requirement. This act as flood control.

Disadvantages:

1. They are extremely expensive to build and must follow a very high standard.
2. Dams flood large areas of land and submerge natural vegetations and agricultural land.
3. People living around the dam location must be relocated.
4. Dams can cause earthquakes and landslides.