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Discussion

Solar, wind, tidal, geothermal, hydro and biomass are the examples of-

  • A.Non-renewable, conventional energy resources
  • B.Renewable, conventional energy resources
  • C.Non-renewable, non-conventional energy resources
  • D.Renewable, non-conventional energy resources

Answer: D

They are Renewable, non-conventional energy resources.

Solar, wind, tidal, geothermal and biomass energy are renewed continually by natural processes, so they are renewable. In Indian usage they are also called non-conventional (or new and renewable) sources, in contrast with conventional sources such as coal, oil, natural gas and fuelwood, which have long been used on a large scale.

Large hydropower is often counted as conventional, but the group as a whole is the textbook list of renewable non-conventional sources, which rules out the options calling them non-renewable or conventional.

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