Question

what do you mean by source of energy?​

Answer 1

Answer:

A source from which useful energy can be extracted or recovered either directly or by means of a conversion or transformation process

(e.g. solid fuels, liquid fuels, solar energy, biomass, etc).

Answer 2

Explanation:

 A source from which useful energy can be extracted or recovered either directly or by means of a conversion or transformation process (e.g. solid fuels, liquid fuels, solar energy, biomass