Answer:
firsthand: coming from experience from a work background or personal experience.
Example: "I have no firsthand experience working with this"
secondhand: been given from a previous owner, by force/gift.
example: "I inhaled secondhand smoke from someone next to me that was smoking."
Source: A source is like a blog when researching information
example: I had to cite my source in MLA format
The 
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
Answer:
preventing individual states from having their own currencies.
Explanation:
In the text shown above, Madison discourages allowing individual currencies for each state. He believes that this would weaken trade in the union, in addition to creating strife between the trade established between the states, which would be highly damaging to the country as a whole.
According to Madison, the ideal would be for a single currency to be established throughout the union, this could be done with the ratification of the constitution, which would establish the poribition of individual currencies for each state, but a national currency that should be used by everyone in the territory national.
Answer:
i)Long-term problems include inadequate investment in deteriorating infrastructure.
ii) rapidly rising medical and pension costs of an aging population.
iii)sizable trade and budget deficits.
The behavioral predictor of members of a social group according to Georg Simmel is the number of people in the group
<h3>Who is Georg Simmel?</h3>
Georg Simmel was an eminent German sociologist and structural theorist who studied urban life as well as the metropolis' structure.
He was notable for developing social theories that promoted a technique of studying society that differed from the then-accepted scientific approach used to investigate the natural environment.
In his studies, he states that the behavioral predictor of members of a social group is the<u> number </u><u>of </u><u>people</u> in the group.
Learn more about Georg Simmel here:
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