This statement is false.
The theory that states, as the question states, that there are many development centers that are there to meet different needs is not the Concentric Zone Theory but the <span>Multiple Nuclei Theory. The Concentric Zone Theory uses concentric rings to explain how the urban land is used.
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Homework is a test and an opportunity to learn more about a subject. Homework helps many students to push forward in their learning, and solidify material learned during the school day.
However...
Homework in most school amounts up to over 3 hours a night. For students who have after school activities; which many students do, getting three hours of work done is made very difficult.
historiography suggests about history is that history will always be open to interpretation