Unit 8: Environment

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Across
  1. 3. traditional sources of energy that are not sustainable
  2. 5. unwanted and unuseful waste
  3. 7. a place where garbage is disposed of by burying it
  4. 10. if something really bad happens
  5. 13. to be able to maintain at a consistent level
  6. 14. to reduce in numbers
  7. 15. to be altered into another form
Down
  1. 1. the parts leftover once something has been destroyed
  2. 2. to be active during the evening
  3. 4. substances that lead to pollution
  4. 6. gases released into the air, especially by cars and factories
  5. 8. the ability to endure a lot of strain/use
  6. 9. dark and gloomy or hard to see through
  7. 11. dying organic matter that can be used as fertilizer for agriculture
  8. 12. to naturally break apart and dissolve into the soil