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Which statement is true about ocean thermal energy conversion (OTEC)?

It is a mineral that contains one or more elements of economic value.
It is the thinning of the stratospheric ozone that occurs over the poles in the spring.
It is the use of temperature differences in ocean water to produce electricity.
It is the process of obtaining information by using the senses.

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BioWizard

The correct answer is: It is the use of temperature differences in ocean water to produce electricity.

Thermal gradients that are formed between warmer surface and colder deep water are used for energy production. That temperature difference is used to produce electricity and for desalination of ocean water. Difference between water levels must be at least 77o Fahrenheit to power a turbine.


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