Trees

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Across
  1. 2. layer between the inner and outer bark
  2. 3. product made from trees, used in offices and schools
  3. 4. gas given off by photosynthesis
  4. 5. indicate the number of years a tree has grown
  5. 11. basic material a product is made of
  6. 12. used for fun
  7. 14. trees that keep their leaves all year
  8. 15. product made from trees used in building and construction
Down
  1. 1. gas absorbed in photosynthesis
  2. 2. term for the top leaves and branches of the tree
  3. 5. absorb water and nutrients from the soil
  4. 6. a large area mainly covered with trees
  5. 7. a forest played by actor Tom Hanks
  6. 8. protect the tree from insects and extreme weather
  7. 9. support the tree and give it strength
  8. 10. move water up and down the tree
  9. 13. trees that lose their leaves