Unit 8

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Across
  1. 5. reserve
  2. 6. power
  3. 8. recources
  4. 11. friendly
  5. 12. energy
Down
  1. 1. footprint
  2. 2. fuels
  3. 3. species
  4. 4. warming
  5. 7. gases
  6. 9. dioxide
  7. 10. change