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Hydroelectric power

Hydroelectric power is the power generated by moving water. In electric
mountain (A hydroelectric plant in Snowdonia national park), water is collected
in a reservoir at the top of a mountain. It is then dropped through a vertical
turbine, which spun to create energy. The water was then…

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The disadvantages are as follows:

· Dams are expensive to build, and need to be built to a high standard, as
repairing them could be a difficult job.

· The building of large dams can cause serious geological damage. For
example, the building of the Hoover Dam in the USA…

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