unit 7

12345678910111213141516
Across
  1. 5. listening to and making arguments
  2. 7. will rot
  3. 9. something made of ploymers
  4. 11. something that replaces itself naturally
  5. 13. proof
  6. 14. how to fix a problem
  7. 15. to break something down and make something new with it
  8. 16. to lessen something
Down
  1. 1. where most waste goes
  2. 2. to make energy out of something
  3. 3. when you make a point
  4. 4. when the environment is damaged by human activity
  5. 6. throw away
  6. 8. enough of the right things
  7. 10. to change into something else
  8. 12. the use something again