Fuel is burned ,step number ............ in the power station, 1, 5, Steam turns a turbine, step number ............. in the power station, 2, 3, Water is a ............................ energy, Renewable, Non-Renewable, All the following are forms of fuel, except... ........, Wood, Glass, . Non-renewable resources of energy take ........... to be formed., a short period of time, a very long period of time, Ancient people used ........... as a fuel before discovering gasoline., electricity, wood, Wood is considered as ..........., biofuels, liquid fuel, It is the main source of most forms of energy on the Earth's surface., sun, fuel, It is any substance which produces thermal energy on burning., fuel, water, Some forms of fuel can be used in cooking such as, wood only, wood and gasoline, We can use some forms of fuel in warming houses such as, Coal and wood, gasoline, The remains are buried under the Earth's surface and exposed to extreme ..............and.............., Pressure and heat, heat and water

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