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Energy Sources: Powering Earth's Future is a medium crossword puzzle with 18 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Energy Sources: Powering Earth's Future
Moderate difficulty suitable for most players
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Across
  • 1. Energy generated by ocean tides
  • 3. Fuel produced from organic waste decomposition
  • 5. Energy derived from flowing water
  • 6. The act of restoring or replenishing
  • 7. Heat energy from beneath Earth’s surface
  • 8. Nuclear process that splits atomic nuclei
  • 13. Combustion process releasing energy and emissions
  • 14. Fossil fuel formed from ancient plants
  • 17. Partially decayed plant matter used as fuel
Down
  • 2. Nonrenewable liquid fossil fuel
  • 4. Fuel derived from crude oil, used in engines
  • 9. Renewable energy from air currents
  • 10. Release of pollutants or greenhouse gases
  • 11. Alcohol-based fuel from crops like corn
  • 12. Unit measuring electrical power output
  • 15. Energy released by splitting atoms
  • 16. Energy harnessed from the sun
  • 18. Supplying energy or power to something
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