Energy and resources

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Across
  1. 7. Gas, coal and oil are all _________
  2. 8. To produce (energy)
  3. 9. This is produced when there is a fire.
  4. 11. A country's _________ are the deposits it has in coal, gas, etc.
  5. 12. Prefix connected with "water"
  6. 13. Biofuels are more _____ friendly than petrol.
  7. 14. Fuel sources that won't run out are ________
  8. 17. A battery that can be reused
  9. 18. People talk about reducing their carbon _______
Down
  1. 1. The power produced from the nucleus of an atom
  2. 2. Causing little or no damage to the environment
  3. 3. A different option
  4. 4. Most UK household electricity is used for this.
  5. 5. We put this in our cars to fuel them.
  6. 6. To use fuel, energy or time in large amounts
  7. 7. Toxic gases from cars which aren't good to breathe in
  8. 9. An adjective meaning "from the sun"
  9. 10. Able to be recycled
  10. 15. Demand for ______ -friendly hybrid cars is soaring.
  11. 16. To totally use up, so there's no more left