Geography

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Across
  1. 2. No longer in existence
  2. 6. Gases surrounding a planet
  3. 7. A system formed by a community of organisms
  4. 10. Where a person or thing is usually found
  5. 11. The water on or surrounding the planet
  6. 14. Human-Made
  7. 15. Taling socially
Down
  1. 1. Earth's crust, waters, and atmosphere
  2. 3. The crust and solid portion of the Earth
  3. 4. Shows different paces
  4. 5. Representing line on a map
  5. 8. Map or chart
  6. 9. Extension of space
  7. 12. Threatened by a danger
  8. 13. An area becomes a desert
  9. 16. Being settled