An aquifer is basically a body of saturated rock meaning water doesn’t have a hard time passing through it must be permeable and porous which includes sandstones, conglomerate, fractured limestone, and unconsolidated sand and gravel.if the rocks are fracture it makes a good aquifer
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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The correct answers are:
- Traditional;
- Market;
- Traditional;
- Command;
- Market;
- Command;
- Market;
- Command;
The traditional type of economy is an economy that is not willing of change, it keeps the things safe and usually without any risks, in order to maintain what they already have, so the progress is pretty slow.
The market economy is the most dynamic one, and it is an economy with free markets, lots of risks, and lots of opportunities, thus it is the one that has the most rapid changes, be it upwards or downwards.
The command economy is typical for the socialist systems. It is an economy where pretty much everything is organized, planned, and enforced by the government, and it is an economy that is orientating towards self-sustaining.
