Eviromental Issues

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Across
  1. 2. a means of getting one place to another
  2. 4. a phenomena that happens without human input
  3. 6. waste factories produce
  4. 7. when desert spreads into farmland
  5. 9. large area with one climate
  6. 10. sickeness humans can get
  7. 11. when sanitation laws arent followed
  8. 12. when trees are cut down in a large area
Down
  1. 1. when to many people occupy one space
  2. 3. transition point in Africa
  3. 5. a dam in africa
  4. 8. a better way to do agriculture