Environment

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Across
  1. 1. an imitation
  2. 3. remain on the surface of water
  3. 5. the dense ceiling of closely spaced trees and their branches
  4. 8. soak up
  5. 14. a sticky substance produced by trees
  6. 15. a mathematical statement to explain a process
  7. 17. to shine with a faint light
  8. 18. dull sound
  9. 19. a layer of the tallest trees of the forest
  10. 20. damgered
  11. 21. the people officially in charge of smth and who have the power to make decisions
  12. 24. part of a plant that grows into the ground
  13. 25. to express approval
Down
  1. 1. causing death
  2. 2. level
  3. 4. a narrow path through a field or forest
  4. 6. taken into your care
  5. 7. examples of smth or small quantities of smth to be used for study
  6. 9. a smal flat piece of hard skin covering animal's body
  7. 10. a liquid chemical used to make cloth white or kill germs
  8. 11. part of a forest where small plants such as herbs, shrubs or fungi grow
  9. 12. hot and damp
  10. 13. protect from harm or change
  11. 16. an area of land surrounded by a wall or fence
  12. 22. vertical
  13. 23. main stems of trees
  14. 26. an area of very wet land