CSE 599 ENVIRONMENT CROSSWORD

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Across
  1. 1. americans produce more of this than any other nation
  2. 3. smoke and other pollutants combined with fog
  3. 6. contamination of earth
  4. 8. that causes changes in climate that may result from the greenhouse effect
  5. 9. can only be used once
  6. 12. another word for poisonous
  7. 13. pollutants can affect the
  8. 14. an increase in the earth's average atmospheric
Down
  1. 2. one that can be used again and again
  2. 4. destroyed by CFCs
  3. 5. caused by oil spills and factory waste
  4. 7. harmful to humans and the environment
  5. 10. rain that contains a high concentration of pollutants
  6. 11. excessive amount of noise or an unpleasant sound that causes