🚜ap human geography review

Harris and Ullman multiple-nuclei model

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A model of urban internal structure that explains cities as organized around multiple centers or nuclei of economic and social activity rather than a single central business district.

AP course connection

Topic 6.5: 6.5 The Internal Structure of Cities

Unit 6

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