The answer you're looking for is D, The direct exchange of one set of goods or services for another
Answer:
naturalistic observation.
Explanation:
Cal believes that a larger percentage of a city’s population will engage in public displays of affection in highly populated cities due to feelings of anonymity when an individual is among a lot of other people. He rides a bus in densely populated New York City for five hours straight, watches the bus riders’ interactions with each other, and unobtrusively counts the number of couples who are holding hands, hugging, or kissing. He then does the same in the sparsely populated city of Rock Falls, Iowa. The research method Cal used is known as naturalistic observation.
As we know that Naturalistic observation is a research method which is used commonly by psychologists and other social scientists. in this technique, it involves observing subjects in their natural environment.
Answer: The Roman Republic describes the period in which the city-state of Rome existed as a republican government, from 509 B.C. to 27 B.C. Rome's republican government is one of the earliest examples of representative democracy in the world. Prior to the republic, Etruscan kings who lived nearby in central Italy ruled Rome
Explanation:
The profile represents only some aspects of a individual <span />
