Figure 12.7.1: Economic Base of U.S. Cities

Q46: Which of the following cities has a

Q47: About _ percent of all U.S.jobs are

Q48: Geographers apply _ to create market area

Q49: Permanent settlements existed prior to beginning of

Q50: Geographers can estimate the _ by using

Q52: World cities are most closely integrated into

Q53: _ explains how services are distributed and

Q54: Compare the world's most populous cities to

Q55: The _ consists of a central open

Q56: _ cities are most closely integrated into