science

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Across
  1. 2. geyser
  2. 4. irrigation
  3. 5. immune
  4. 6. balsalt
  5. 8. well
  6. 11. ditch
  7. 14. moisture
  8. 15. axe
Down
  1. 1. dam
  2. 3. shale
  3. 7. oils
  4. 9. air
  5. 10. drip
  6. 12. watertable
  7. 13. solid fuel