Question

5. Keeping in mind their availability in nature, explain the need of using coal and
petroleum judiciously.
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Answer 1

Answer:

We know that coal and petroleum are fossil fuels.It required the dead organisms millions of years to get converted into these fuels. On the other hand the known reserves of these will last only a few hundred years. Hence they should be used judiciously to ensure their availability for a longer period of time.

Explanation:

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