energy

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Across
  1. 2. remains of ancient organisms burned for energy (2 words)
  2. 5. controversial way of extracting gas and oil from shale (slang)
  3. 7. distilled plant fuel
  4. 8. network for delivering electricity from producers to consumers
  5. 9. energy from Earth’s internal heat
  6. 11. popular location for residential sun power panel
  7. 12. energy that comes from sources we can’t run out of
Down
  1. 1. device that harnesses wind power
  2. 3. sun power
  3. 4. coolest environmental competition around
  4. 6. local source of hydropower (2 words)
  5. 10. primary gas in natural gas