Nature crossword

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Across
  1. 1. an area of land, smaller than a forest, that is covered with growing trees.
  2. 4. a natural underground chamber in a hillside or cliff.
  3. 5. break up and move earth with a tool or machine, or with hands, paws, snout, etc.
  4. 7. turn or be turned into ice or another solid as a result of extreme cold.
  5. 9. the alternate rising and falling of the sea
  6. 11. comparative darkness and coolness caused by shelter from direct sunlight.
  7. 12. the first appearance of light in the sky before sunrise.
  8. 13. detach and remove from where it is growing.
  9. 14. the time in the morning when the sun appears or full daylight arrives.
  10. 15. the main woody stem of a tree as distinct from its branches and roots.
Down
  1. 1. move one's hand to and fro in greeting or as a signal.
  2. 2. the upper layer of earth in which plants grow
  3. 3. walk or move in a leisurely or aimless way.
  4. 6. away from it all to leave or escape from a person or place
  5. 8. to go or cause to go
  6. 10. a part of a tree which grows out from the trunk or from a bough.
  7. 11. the time in the evening when the sun disappears or daylight fades.
  8. 13. the pointed top of a mountain.