Science

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Across
  1. 3. off
  2. 6. island arc
  3. 8. source pollution
  4. 9. slope
  5. 10. rise
  6. 11. ridge
  7. 12. height
  8. 14. plain
Down
  1. 1. source pollution
  2. 2. channel
  3. 4. zone
  4. 5. vent
  5. 7. shelf
  6. 13. (455)