Answer :

The steps which can be adopted to decrease the consumption of coal and petroleum products are:

(i) Lights, fans, television and other electrical appliances should be switched off when not in use to save electricity.


(ii) Energy efficient electrical appliances should be used to save electricity. For example: CFL and fluorescent tube lights


(iii) In multistoried building, we should try to climb at least up to three floors of the building and avoid taking a lift to save electricity.


(iv) We should use pressure cookers instead of open utensils for cooking food to save fuels like Kerosene and LPG.


(v) We should use solar cookers to cook food, whenever possible.


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