Petrol is used in the extraction of metals.
Name two each of the exhaustible and inexhaustible natural resources.
Write the name of two natural substances.
Why are air, water and soil called natural resources?
Why are coal, petroleum and natural gas called fossil fuels?
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Advantages of CNG—Compressfed Natural Gas and LPG—Liquefied Petroleum Gas:i) They burnt with clean flame and does not produce smoke.ii) They give more heat and energy as compare to other fuels.