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Unlike the fossil fuels of today,biofuels are renewable sources,which mean that they will not     e...

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fossil fuels.  electric power.  nuclear energy.  coal power.  
using less oil in power generation  replacing fossil fuels with more nuclear power  seeking energy self - sufficiency  expanding the sources of power supply  
kept on  depended on  put up with  resulted in  
effect  advantage  disadvantage  concern  
the greenhouse effect  the burning of fossil fuels  the potential effect of air pollution  the likelihood of a new ice age  
one    that    them    those  
to free up fossil fuels for commercial sale.  to replace fossil fuels for commercial sale.  to increase efficiency of fossil fuels use.  to reduce harm to the environment.  
as    which    what    that  
burning fossil fuels to make electricity is widely used  wind power is a widespread way to make electricity  energy problems will soon be solved  nuclear energy will solve all the energy problems we are facing  
come out    break out    turn out    run out  
the heat produced is used to boil water  the steam produced is used to make electricity  the garbage burned is turned into fossil fuels  the steam produced is used to heat buildings  
Fossil fuels should be encouraged to use to make electricity  Not all the areas could use wind power.  Solar energy costs the most  Using nuclear energy will not produce negative effect.  
The Importance of Electricity  The Pollution of Making Electricity from Fossil Fuels  The Advantage of Using Nuclear Energy  Means of Making Electrical Power  
Wind power  Fossil fuels  Solar power  Water power  
It; \    As ; that    It; if    As; whether  

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