III. Fill in each blank with an appropriate word.
1.________________energy resources include coal, oil, natural gas and uranium.
2._______________energy creates clean, renewable power from the sun.
3. We need to look for ways to reduce our carbon___________.
4. Coal is a ___________fuel that was formed millions of years ago.
5. Renewable energy sources will never_____________out because they are easily replenished.
6. Burning fossil fuels emits a lot of pollutants that are_____________to the environment.
7. Solar__________________ are fitted to building and turn the sun’s ray into energy
8. Some countries are ___________coal with natural gas because natural gas is less
polluting than coal.
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