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Dams can be used to produce hydro electric power
Dams
There are models that are made to test different situations. Dams, wave motion and tidal motion are all forms of hydro electricity.
Hydroelectric power
Yes, hydro come from the Greek word for water, and wave power is classed as hydro power. Other kinds of hydro power are produced from the movement of water through dams, tides and rivers.
Hydroelectricity is produced by water flower through water turbines in the dam creating electricty. Thus hydro-power.
Hydro power is expensive up front in a large scale but eventually pays for itself. This is particularly true with hydroelectric dams which power large areas.
Building dams can flood land and affect fish and wildlife
There are many river dams, many are built to create hydro power.
The primary machine used in hydro-electric power generation is the turbine. It's a main fixture of hydro dams.
Hydro Electric Dams, Geothermal, Wind Power
To gain a constant source of water.