World Resources

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