Vocabulary

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Across
  1. 2. pollution
  2. 3. wonder
  3. 6. perception,sight.
  4. 8. domesticated
  5. 10. catastrophe
  6. 11. medication, narcotic
  7. 12. exceptional
Down
  1. 1. announcement
  2. 4. vanish, go away
  3. 5. decrease
  4. 7. invade
  5. 9. observer,spectator