Across
- 4. A reason for people to move to a country
- 6. Maintained at a certain rate or level
- 7. Emigration of highly trained people from a country
- 11. A space that has too many people
- 12. A region in the world where people live longer
- 13. The impact on an environment by a person
Down
- 1. A reason for people to leave a country
- 2. Relating to the country side
- 3. The amount of people in a given place
- 5. Relating to a town or city
- 8. Important materials to support a country
- 9. Movement of people to a new area
- 10. Harmful substance for the environment