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What are the three main types of fossil fuels?
Coal, oil and (natural) gas.
What are the advantages of fossil fuels?
They are reliable sources of energy.
What are the disadvantages of fossil fuels?
They will all run out eventually and they do damage to the environment.
What the renewable energy sources?
Solar, wind, water waves, hydro-electricity, bio-fuel, tides and geothermal.
What are renewable energy sources?
Energy sources that will never run out.
What are non-renewable energy sources?
Energy sources that will eventually run out.
What are the advantages of renewable energy sources?
They will never run out since it is renewed, and they are less harmful to the environment.
What are the disadvantages of renewable energy sources?
Most still cause some damage to the environment and some are unreliable as they depend on the weather.