learning tree #3

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Across
  1. 1. opposite of happy.
  2. 6. if you are not dead you have ___.
  3. 7. the cars make it.
  4. 9. another one of the three Rs.
  5. 10. i am _______ about the ice caps melting.
  6. 12. the polar ice caps are melting because of _____ ______.
  7. 14. Toyota has a car _____.
  8. 15. the ___ layer.
Down
  1. 2. a dog is a ____.
  2. 3. you are a ___.
  3. 4. one of the three Rs.
  4. 5. the mother of nature.
  5. 8. the earths population is ______.
  6. 11. ____ for humanity.
  7. 13. you put cans in the ____.