Antarctica

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Across
  1. 3. harmful or poisonous substances that affect the environment
  2. 4. the surroundings in which a person, animal or plant lives
  3. 7. the preservation and protection of something
  4. 8. a long term change in the earth's climate
  5. 9. the people in society
  6. 10. able to be maintained
  7. 13. the state of being extremely poor
  8. 15. at risk of extinction
  9. 16. weather conditions
Down
  1. 1. the act of using up a resource
  2. 2. the trapping of the sun's warmth in the earth's atmosphere
  3. 5. capable of being decomposed
  4. 6. acting rightly or wrongly
  5. 11. other things available as another possibility or choice
  6. 12. a group of people that lead a country
  7. 14. something that can be used again and again