Question

Question 1
Which of the following is a non-renewable source of energy?

(a) Wood
(b) Sun
(c) Fossil fuels
(d) Wind

Answer 1

Option (c) is correct.
The non-renewable resource is that which cannot be replaced when it is used up, such as oil, natural gas or coal. Fossil fuels (coal, oil and natural gas) were formed from decomposition of dead animals and plants buried hundreds or millions years ago.