Across
- 2. Goods that a country sells
- 6. The changing of liquid water into vapor, or gas
- 8. The amount of change
- 11. The number of people living in a unit area of land
- 15. Leave their country to find safety in another place
- 16. to switch goods with other countries
- 18. Near the equator
- 19. All living things and nonliving things within a certain area and relationship between
- 20. Earth’s center
Down
- 1. Large numbers of people in one or two age groups in the population
- 3. The speed in which change is taking place
- 4. The permanent movement of people from place to place
- 5. Liquefied rock
- 7. The goods that a country buys
- 9. Air that moves across the earth’s surface
- 10. A person who moves to a new city to take a job
- 12. Rain or snow that carries pollution
- 13. relying on other countries
- 14. Ways to transport goods
- 17. hot, dense, solid rock