Vocabulary

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Across
  1. 2. to flinch; to shrink back
  2. 4. a sturdy twilled cloth of a yellowish brown color used especially for military uniforms
  3. 8. words to express you are sorry
  4. 11. a medicine used to save lives because it destroys harmful bacteria and cures infections
  5. 14. bad health; illness; sickness
  6. 16. to look at carefully in search of flaws
  7. 17. a risk to human health
  8. 18. protecting and preserving natural resources and the environment
  9. 19. full of enthusiasm or joy
  10. 21. story of a person's life written by another person
  11. 22. making a loud, rumbling noise like thunder
  12. 24. the variety of species living within an ecosystem
  13. 26. having great energy
  14. 28. outline or edges
  15. 29. depressing; causing gloom or misery; causing bad feelings
Down
  1. 1. the scientific study of life
  2. 3. to decorate, adorn, touch up; to improve by adding details
  3. 5. not derived from living organisms
  4. 6. threatening danger or harm
  5. 7. in a light and carefree way
  6. 9. the highest point of attainment; the end or climax
  7. 10. having bad health or having poor nutrition
  8. 12. calm; ready; in position
  9. 13. to go or come down
  10. 15. words that draw comparisons and similarities
  11. 17. able to be broken down by bacteria or other living organisms
  12. 20. device, equipment
  13. 23. an association between two organisms in which one is adversely affected by the other organism
  14. 25. to feel sad
  15. 27. words added to the end of a book