Fire, Fire, Oh My!

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Across
  1. 2. Burning caused by humans
  2. 5. How often a fire occurs over a period or an area
  3. 6. Burning caused by lightning
  4. 7. Seasons impact fires
Down
  1. 1. Measure of the change in the dominant vegetation
  2. 3. What the fire works alongside
  3. 4. How large, how many acres, or how profound the fire is