your self

2. which statistics are published; in urban areas, census tracts corre-spond
6. area In the United States, an urban area with at least
7. social groups are arranged around a series of sectors, or wedges,
9. zone model A model of the internal structure of
10. to neighborhoods
11. out from the central business district
13. a functional connection to the central city
16. city is located, and adjacent counties meet one of several tests
18. city is an area on the outskirts of a city having a high density of office buildings, shopping malls, hotels,
19. statistical area An urbanized area of between 10,000 and 50,000 inhabitants, the county in which it is located,
20. in which social groups are spatially arranged in a series of rings

1. An increase in the percentage of the number of
3. region surrounding a city
4. living in urban settlement
5. nuclei model A model of the internal structure of cities in which social groups are arranged around a collection of nodes of
8. tract An area delineated by the U.S. Bureau of the Census
12. adjacent counties tied to the city
14. statistical area In the United States, an
15. urbanized area of at least 50,000 population, the county within which
17. model A model of the internal structure of cities in