Physics for IGCSE & O level - Forces And Energy (Section 4 - No. 18)
In terms of its effects, what is the best form of energy?
The one that is very effective and harms the environment.
The one that is effective but harms the environment.
The one that is very effective and does not harm the environment.
The one that is not effective and does not harm the environment.
Explanation
The best source of energy is effective and does not harm the environment.
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