Answer:
Neurotransmitters and hormones are similar because they are both picked up by receptors and they are both chemicals. A difference is that neurotransmitters are still using an electric charge to be sent and hormones are triggered chemically. Another difference is that they interpret target cells in a different way.
if individuals acting in their self-interest produce outcomes that were not part of their intention or design but benefit society as a whole, this is a demonstration of invisible hand.
The metaphor of the "Invisible Hand" refers to the unanticipated societal advantages and public good that result from people acting in their own self-interest. In his book The Wealth of Nations from the eighteenth century, economist Adam Smith is usually credited with popularizing the idea.
The first time Adam Smith used the term "Invisible Hand," he was referring to his observation that money does not exist in a vacuum and that people acting in their own self-interest will eventually behave in the best interests of the larger welfare of society.
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A. less for a poor person than it is for an average income person
