c2

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Across
  1. 1. Natural environment where an organism lives.
  2. 7. Environmentally sustainable.
  3. 8. Shadow cast by trees.
  4. 9. Community of living organisms and their environment.
  5. 11. Trees that shed their leaves annually.
  6. 13. Wood used for building.
  7. 14. Small group of trees.
  8. 15. Wood that has been sawn into planks.
  9. 16. Day Annual celebration of trees.
  10. 18. Arranging trees and other elements in outdoor spaces.
  11. 20. Cultivation of plants, including trees.
Down
  1. 2. Place where trees are grown for scientific and educational purposes.
  2. 3. Responsible management of resources, including trees.
  3. 4. Protective covering for the soil.
  4. 5. Relating to trees.
  5. 6. Study of trees.
  6. 10. Material spread over the soil to retain moisture.
  7. 12. Trees that retain their leaves throughout the year.
  8. 17. Study of plants, including trees.
  9. 19. Public area with trees and greenery.