Question

what is good source of energy?​

Answer 1

Answer:

♦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:

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Answer 2

Answer:

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.