Question

What is artificial source of energy​

Answer 1

Answer:

Some of the artificial sources of energy are: petroleum, coal, natural gas. This is because these can not be used directly but need to be refined and then burnt to produce heat and steam which actually provides energy to do a particular work.

Answer 2

Answer:

Explanation:

Some of the artificial sources of energy are: petroleum, coal, natural gas. This is because these can not be used directly but need to be refined and then burnt to produce heat and steam which actually provides energy to do a particular work.