Question

We should use coal and petroleum judiciously.Why? State any 2 reasons.

Answer 1

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➡️ High amounts of CO2 increases green house effect and consequently the Global Warming.

➡️ When these are want the products of you too, H2O oxides of N2 and as the oxides cause heavy air pollution.

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Answer 2

1) Coal and petroleum are very expensive
2) Coal and petroleum are exhaustible fossil fuels. If once finished, it will take millions of years to form again.