Natural World: Plant Life

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Across
  1. 2. a sudden or big change
  2. 3. something that causes great difficulties
  3. 7. to change from liquid to gas
  4. 12. producing a lot of something
  5. 13. tough, able to endure difficult conditions
  6. 16. to reduce to the least possible amount
Down
  1. 1. strong; sudden and destructive
  2. 4. relating to change from one type to another
  3. 5. to be in a place, to exist in
  4. 6. wetness or water
  5. 8. to gradually increase over time
  6. 9. to change to fit a situation or environment
  7. 10. the edge of something
  8. 11. small in numbers or amount
  9. 14. to grow well
  10. 15. to make weaker by mixing with water