difficult word crossword

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Across
  1. 2. life
  2. 6. nutrients
  3. 9. to get nutrients
  4. 10. direction
  5. 11. goal
  6. 12. plants
Down
  1. 1. environment
  2. 2. animals
  3. 3. destruction
  4. 4. helped
  5. 5. tree
  6. 7. plant
  7. 8. wasting