Question

1) Mention the minimum temperature difference required between surface water and water at a depth of upto 2 km in an ocean thermal energy plant.
2) Distinguish between renewable and non-renewable sources of energy. Also give an example of each of these sources.​

Answer 1

Renewable energies generate from natural sources that can be replaced over a relatively short time scale. Examples of renewable energies include solar, wind, hydro, geothermal and biomass. Nonrenewable energies come from resources that are not replaced or are replaced only very slowly by natural processes.



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