Across
- 5. Cities with a population of over ten million people
- 6. An outlying residential district of a city
- 7. The basic buildings and facilities needed for towns and cities
- 8. Geographic area that is located outside towns and cities
- 10. The action of coming to live permanently in a foreign country
- 11. Data that has previously been gathered and can be accessed by researchers
Down
- 1. The ability to be maintained at a certain rate or level
- 2. The process of making an area more urban
- 3. Data observed or collected directly from first-hand experience
- 4. The number of people living in that area
- 9. The movement by people from one place to another
