Answer:
b. unlimited wants and limited resources.
Explanation:
There are different definitions of economics. Some say it´s a science that studies the production, distribution and consumption of good and services. Another definition refers to the theories and models that govern the market process. But definitely, economics must strike a balance between a society´s wants - that may be unlimited - and the limited resources available.
Answer: Option 1. is correct
Explanation:
From the given options, <em>Past performance</em> is a variable that doesn't influences chances.
The mere notion that drives this analysis is that circumstances are controlled by an equilibrium between variables that control change and several other which tend to resist change. In order for the change to take place, the variables must be bolstered or on the other hand the resisting variables should be weakened.
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In some research, the researchers are not able to use random assignments to divide participants among groups. Instead, they compare preexisting groups, which results in a quasi-experimental design.
Random assignments are those which are given as a matter of chance to ensure fairness and equal opportunity for all participants. Here participants forming multiple groups are with similar characteristics. So all groups are the same at the start of the experiment.
A quasi-experimental design applies a non-random method, and subjects are assigned to preexisting groups. There are some situations where true experiments can't be used for practical reasons. In such cases, a quasi-experimental design is a suitable tool.
To learn more about quasi experimental design here
brainly.com/question/28145500
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Answer:
- National.
Explanation:
National histories are described as the consideration of nation-state as the central component of historical inspection and process(social, intellectual, or economic) accommodated in it.
As per the question, Charlene has been able to learn 'national histories' as Charlene regards his nation as his subject of analysis that has eventually led him to realize nation-state as his primary concern(as reflected by his familiarity towards Abraham Lincoln who is one of the most admired social and historic figures of his nation and exemplify a significant part of its development). Thus, <u>'national'</u> histories is the answer.
