Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
<span>Native Americans in Ohio, who were not parties, refused to acknowledge treaties signed after the Revolutionary War that ceded lands north of the Ohio River inhabited by them to the United States. In a conflict sometimes known as the Northwest Indian War, Blue Jacket of the Shawnees and Little Turtl of the Miamis formed a confederation to stop white expropriation of the territory. After the Indian confederation had killed more than 800 soldiers in two battles the worst defeats ever suffered by the U.S. at the hands of the Indians President Washington assigned General Anthony Wayne command of a new army, which eventually defeated the confederation and thus allowed European-Americans to continue settling the territory. </span>
The applicant doesn’t meet the academics.
The student had a record of bad behavior problems.
The application is incomplete.
According to the given sentence, the correct option is A: The reticular formation is a network of nerves located in the brain-stem.
<h3>
What is Reticular formation?</h3>
The reticular formation is defined as a structure of the brain stem that is responsible for circadian sleep / wake cycles.
The reticular formation helps to serves the behavioral and cognitive mood related functions.
The main function of this formation is to operate the sleep and wake functions accurately of a particular person.
Therefore, correct option is A.
Learn more about Reticular formation, refer to the link:
brainly.com/question/1228183
