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 Form 4 Geography online lessons on energy

Tides as a source of energy

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Answer Text:
Tides as a source of energy
-Tides are governed by the earth’s rotation and gravitational forces of the moon and sun
-Dams are built across an estuary.
-Incoming and outgoing tides rotate turbines and electricity is generated in similar way as hydro-power
-It is limited to few estuaries e.g the mouth of River Rance in France.
-They are expensive to establish