Multiple choice

Which of the following is considered as a non conventional source of energy?

  1. Coal

  2. Hydro electricity

  3. Natural Gas

  4. Wind power
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wind power is a non-conventional or renewable energy source, unlike coal, hydroelectricity (in conventional classification), and natural gas which are considered conventional sources. Wind energy harnesses natural air flow without depleting resources.

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