Across
- 2. Area where many people live.
- 3. To leave one's home to live in another place.
- 4. Area where few people live.
- 7. The average number of people living in a square mile or square kilometer.
- 9. To enter and live in a new country
- 10. A huge city or cluster of cities.
- 11. Number of babies born compared to the total population.
Down
- 1. the number of years it takes for a population to double.
- 5. Process of cities growing large and spreading out.
- 6. One reason for rising population is falling______.
- 8. Where people live on Earth.