Question

answer of question no. 3

Answer 1

Fossil fuel the fuel which are obtained in the crust of the earth.
Fossil fuels are 1) coal
2)Crude oil
3)Natural gas.
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Answer 2

Fossils fuels are formed after millions years of remains of animals and plants. It is found in the crust of earth. Three fosdils fuels and importance are:-
1) Coal is made up of carbon .It is used for heating our rooms
2) Petrol is used to run vehicles
3) Diesel is used to run larger vehicles