Natural Resources

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Across
  1. 3. - Power generated by a turbine power from wind?
  2. 5. - A flammalbe liquid that is produced by fermentation of sugars?
  3. 8. - A renewable resource?
Down
  1. 1. - Power made from water?
  2. 2. - flammable gas that is found mostly underground?
  3. 4. - Power generated from the earth?
  4. 6. - A fuel made by fermentation of organic matter?
  5. 7. - A biofuel intended to be used instead of diesel?