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Electricity can be produced from a variety of fuels and methods.

(a) Although producing electricity from burning fossil fuels, such as in coal-fired power plants, is common around the world, some scientists and economists argue that where the geography is appropriate, hydroelectric power is a better method for generating electricity.

(i) Describe one advantage of using hydroelectric power plants over using coal-fired power plants.

(ii) Describe one potential disadvantage of hydroelectric power plants.

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Explanation:

i) as we know fossil fuels are the main cause of pollution in most parts of the world. So hydroelectric power plant are useful as they do not cause pollution and they are environment friendly because it is produced by water.

ii) Dams can help in i) Increase Tourism

ii) It can trap sediments

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