Question

how do we use coal and petroleum with precautions ​

Answer 1

Answer:

(i) Fossil fuels should be used only when no alternative source of energy is available.

(ii) Wastage of fossil fuels should be prevented in homes, transport and industry. Switch off the engine at traffic lights or at a place where you have to wait,Ensure correct tyre pressure, and Ensure regular maintenance of the vehicle

Answer 2

Answer:

For its conservation because they are fossil fuels which took millions of years for their formation..so we have to used it very judiciously...

Hope this helps u...