Question

4.
5. Keeping in mind their availability in nature, explain the need of using coal and
petroleum judiciously.
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Answer 1

Answer:

Coal and petroleum were formed millions of years ago from the degradation of biomass.

➧ Coal and petroleum should be used judiciously because:-

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❱ These resorces are present in limited quantity

❱ It ensures the availability of coal and petroleum for a longer period of time.

❱ It avoids the pollution of air caused by combustion of coal and petroleum the alternative sources of energy could be those that are renewable and non polluting.

❱ These include fuels like solar energy, geothermal energy, Hydro power & nuclear power.