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1. What is the main environmental benefit of using renewable energy?  
    Improving air quality 
    Helping to combat acid rain 
    Helping to combat global warming
2. What is the UK target for renewable energy by 2010?
    12% 
    10% 
    2%
3. How can sunlight be turned directly into electricity?  
    Via photovoltaic cells 
    Via passive solar heating 
    Via active solar heating 
4. The windiest country in Europe is:
    UK 
    Spain 
    Switzerland
5. Of the 28 million tonnes of household waste produced in the UK each year, what percentage is recovered?  
    1% 
    11% 
    51%
6. Click on the correct statement:  
    A hydro turbine uses water to generate electricity 
    A hydro turbine uses wind to generate electricity  
    A hydro turbine uses waste to generate electricity
7. Geothermal means:  
    Heat from the earth 
    Heat from the air 
    Heat from the sun
8. The Blyth Harbour Wind Farm:   
    Powers a railway line in Wales 
    Provides power to a Primary School 
    Is the first offshore wind farm to be built in UK waters 
9. How much of the Earth's surface is covered by sea?  
    7% 
    17% 
    70% 
10. What is a "landfill site"?  

    An open space of natural beauty 
    A natural hole in the ground 
    A place where waste is disposed of