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Sustainable Energy Sources Exploration is a medium crossword puzzle with 5 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Sustainable Energy Sources Exploration
Moderate difficulty suitable for most players
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Across
  • 1. Energy derived from the Earth's internal heat
  • 2. Type of nonrenewable fuel formed from ancient remains
  • 4. Renewable power generated by moving air
Down
  • 3. Organic material used as a renewable fuel source
  • 5. Element used as fuel in nuclear reactors
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