It a organism map where you trace how many animals back that certain organism have and that is for science not history
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Irrigation is the spreading of water over crops for the purpose of farming. The way it's done can vary, but its general use is as described above. Sprinklers and aboveground canals are two examples of it.
Ans: The Zapotec influenced the cultures of many later people. Their way of writing and calendar were used by other groups. Also, Monte Alban influenced later peoples built their cities in similar ways.
<u>Positive Economists'</u> purpose is to create an explanation of a certain economic phenomena.
These economists use statistics in order to find out the aggregate behavior of the people because of a certain economic decisions. From this, they can developed an understanding to explain the economic phenomena.
<u>The normative economists' </u>purpose is to find out whether a certain economic decision achieve its original purpose.
They used statistic as a quantitative measurements. They determine the goals of a certain economic policy and They compared the statistic before the economic policy was implemented to the condition after the implementation .
This will help them know whether the policy achieve its original goals.
For example. if a certain policy was created to reduce unemployment, normative economists will compare the data/statistic about the number of employment before and after the policy.
The Glass-Steagall Act effectively separated commercial banking from investment banking and created the Federal Deposit Insurance Corporation, among other things