Across
- 2. nomadic people who make their living by herding animals
- 4. map maker
- 5. moving into a country
- 6. directions that include north, south, east, west
- 9. having no permanent home
- 10. a resource that takes so long to replenish that it can't be replaced
- 11. Gross Domestic Product
- 12. vertical, imaginary lines around Earth
- 13. line of latitude at zero degrees
Down
- 1. moving out of a country
- 3. horizontal, imaginary lines around Earth
- 4. weather pattern over a long period of time
- 7. unusually long time without rainfall
- 8. process by which land becomes more and more dry until it becomes a desert