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Across 1. in the future, the word's population will double and urban populations will ___ 4. N.Y.C.'s population grew by 500% in 40 years becoming the first U.S. ____ 5. it is 47.5 in Uganda; a high number because families need to have many children to ensure 1 or 2 will live to adulthood (3 Words) 7. number of births plus immigrants = the number of deaths plus emigrants (3 Words) 8. __ factors such as political unrest, war, famine, natural disasters that influence migration 9. according to __, cities are arenas for class conflict and capital accumulation 12. urban problems globally include overcrowding, environmental pollution and disappearance of ____ 14. suburbanites rely on the city for employment and services but pay ___ to suburban gov'ts and schools (2 Words) 15. according to urban sociologists, 3% of the world's population lived in _________ 200 years ago (now about 50%) 16. mid- and upper-middle classes, especially whites, move into and renovate central cityre 17. according to Malthus, the population, if left unchecked, would exceed the available __________ (2 Words) 18. high-income countries have a barrel-shape rather than a classic population _________

Down 1. Hoyt's sector model emphasizes __ and __ in layout of cities (2 Words) 2. according to Marx, ___ is advantageous to capitalists who want a surplus of workers to suppress wages and force productivity 3. __ examines urban populations in terms of economic and family status & ethnic classification (3 Words) 6. Three preconditions for a city to develop includes favorable physical environment, advanced technology, and social ____ 10. the impact of race and class is visible in the division between cities and ___ 11. according to Gan's, urban ___ do not all experience the city in the same way 13. social relationships with spatial boundaries providing a sense of identity and belonging