Question

what is good source of energy???​

Answer 1

Answer:

A good source of energy should have the following characteristics:

It should do a large amount of work per unit mass or volume - it means that the output energy must be more than the input energy. It should have high calorific value.

Explanation:

I hope it helped you :)

Answer 2

Answer:

A good source of energy should have the following characteristics: It should do a large amount of work per unit mass or volume - it means that the output energy must be more than the input energy. It should have high calorific value.