energy

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Across
  1. 2. a machine that uses wind to create energy
  2. 3. to open rocks for fossil fuels
  3. 4. a fossil fuel
  4. 5. a machine that generates energy
  5. 7. oil coal natural gas
  6. 8. sources that can be used again
Down
  1. 1. resources that you can only use once
  2. 6. digging in the earth