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Weekly Quiz 20
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1. Question
Drag the correct word or phrase to the right-hand column next to its definition.
Sort elements
- Ethanol
- Fossil fuel
- R-value
- Alternative fuels
- Solar energy
- Wave power
- Fossil fuel
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An alternative fuel derived from corn, grains, or cellulose
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A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
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The capacity of an insulating material to resist heat flow; the higher the number, the greater the insulating power
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A fuel other than gasoline for powering motor vehicles, such as natural gas, methanol, or electricity
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Radiant energy emitted by the sun
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Power obtained by harnessing the energy produced by waves
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A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
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