Term 3 Key Vocab

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Across
  1. 5. a gas that is expelled from the body by the respiratory system (CO2)
  2. 6. anything that can be used to produce something else
  3. 7. at risk of extinction
  4. 10. the state of being extremely poor
  5. 12. the people in society
  6. 15. a guardian or trustee of an environmental area or resource
  7. 17. something that cannot be reused or replaced easily
  8. 19. able to be maintained
  9. 21. a species that no longer exists
  10. 22. a long term change in the earth's climate
Down
  1. 1. other things available as another possibility or choice
  2. 2. harmful or poisonous substances that affect the environment
  3. 3. capable of being decomposed
  4. 4. the trapping of the sun's warmth in the earth's atmosphere
  5. 8. a gradual increase in average global temperature
  6. 9. weather conditions
  7. 11. the surroundings in which a person, animal or plant lives
  8. 13. something that can be used again and again
  9. 14. the preservation and protection of something
  10. 16. a group of people that lead a country
  11. 18. the act of using up a resource
  12. 20. acting rightly or wrongly