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Across 4. To to enter and live in a new country 6. a person who flees a country because of violence, war, persecution, or disaster 8. Is the spread of new ideas, products and practices 11. the number of deaths compared to the total number of people in a population at a given time 12. the number of years it takes a population to double in size based on its current growth rate 13. To leave one’s home to live in another place

Down 1. the geographic pattern of where people live 2. the number of babies born compared to the total number of people in a population at a given time 3. describes an area that is densely populated 5. the average number of people living within a square mile or a square kilometer 6. describes an area that is lightly populated 7. when a city grows larger and spreads into nearby areas 9. A huge city or cluster of cities with an extremely large population 10. fully grown and developed as an adult; also refers to older adults