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 rumen, the reticulum, the omasum and the abomasum.Explanation: Hope it helps
The basis of the founder's concerns over the formation of political parties is that the political factions would tear the nation apart.
<h3><u>Explanation:</u></h3>
The designer of the Constitution believed that the Political Parties are a necessary evil and they can't avoid it. The Political factions may lead to the Civil War between the groups, so it was essential to design the Constitution keeping that in mind so that the evil effect of the Political Parties don’t spread.
The Constitutional framers were highly concerned about the formation of political parties which drifted England in civil wars of 
century. These political parties are considered as the corruption of monarchical British System in favor of democratic government.
