The diagrams below show a structure that is used to generate electricity from wave power. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The two diagrams illustrate the processes involved in the production of electricity using wave power, First of all, a

column

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is built on a cliff or

sea

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wall with a turbine placed

inbetween

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in between

in-between

. The

column

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is

also

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connected to a

chamber

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into

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in

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into

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which the

sea

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water flows

into

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apply

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. From diagram A, it shows that the

sea

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flows into the

chamber

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, and pushes air from the bottom all the way out of the

column

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.

On

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In

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the process of flowing out, it rotates the turbine clockwise, which in turn generates mechanical energy to be converted into electrical energy. In diagram B, it can be clearly seen that air from the atmosphere moves back into the

column

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and flows into the

chamber

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thereby rotating the turbines once again in a clockwise motion. As the air reaches the

chamber

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, it pushes the wave out into the

sea

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.

Therefore

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, the movement of the turbines creates

the

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apply

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electrical energy.