Do Forests Need Fire?

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Across
  1. 5. Fires start the most during what season?
  2. 7. A fire that burns old, dead brush for new life
  3. 8. Plants and trees that grow where they are not supposed to
  4. 9. The most amount of years an invasive species can be killed for
  5. 10. The author informs the reader that fires ______ forests.
  6. 11. Something that is not able to catch on fire is _________________.
Down
  1. 1. Who might purposely start a fire
  2. 2. A fire that is set on purpose
  3. 3. Plants and trees that grow in their natural habitat
  4. 4. Forests need fires for their ______________.
  5. 6. Fires in forests were compared to ___________________.