Semester Review

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Across
  1. 2. used for agriculture
  2. 4. cutting down a large number of trees
  3. 6. area with highest population density
  4. 7. treaty to protect plant and animal species
  5. 8. why has the human population grown exponentially
Down
  1. 1. kind of forest management that tests different strategies
  2. 3. people leaving a country
  3. 5. removing minerals from underground