C is the answer, i know this is late but it can at least help some one else maybe
The concentric zone model proposes that the zones of a city are differentiated primarily by Ethnic composition.
<h3>What does the concentric zone model show?</h3>
The Concentric zone, or Burgess model, is a model to describe how a place, such as a city, will grow. It was founded by Ernest W. Burgess between 1925 and 1929.
Based on Burgess' theory of human nature and applied in Chicago, it was the first to provide an explanation for the distribution of community groups in urban areas.
Thus, The correct statement is Ethnic composition.
Learn more about Ethnic composition here:
brainly.com/question/4124211
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