group 1 crossword

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Across
  1. 4. plank
  2. 7. wrong
  3. 8. throw trash in nature
  4. 11. human air
  5. 12. leave
  6. 13. done in your head
  7. 14. gathering
  8. 15. enemy
Down
  1. 1. level in the army
  2. 2. stop
  3. 3. fish meat
  4. 5. measurement
  5. 6. 3 corner sided shape
  6. 9. reuse
  7. 10. stuff in a plant