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:
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Because cars use oil and oil is a fossil fuel. And when you drive the engine heats up which make the smoke come out of the exhaust pipe and it gets into the air and pollutes which is dangerous for any creature that flies.
Answer:
7) The Cretaceous period and it lasted for 80 million years
8) The Cenozoic era for 65 million years
9) 4.5 billion years ago
10) It began 252.2 million years ago
11) It ended 66 million years ago
12) About 190 million years
Explanation:
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