Which of the following is a non-renewable source of energy?
(A) Wood
(B) Sun
(C) Fossil fuels
(D) Wind
Answer : (C) fossil fuels
A nonrenewable resource is a natural substance that is not replenished with the speed at which it is consumed. It is a finite resource.
Examples: Fossil fuels, Crude Oil, Coal, Uranium, Natural Gas, Steel, Aluminum, Ground Water etc.
Wood – Can be replenished by growing more and more trees
Sun – It is not a finite resource
Fossil Fuels – Thermal power plants make use of fossil fuel for production of electricity and they are considered as non-renewable sources
Wind – It is not a finite resource
Therefore option (C) is correct