The type of research carried out by the professor at the University of Arizona is called Primary Research while the research which references that is called Secondary Research.
<h3>What is Primary Research?</h3>
This refers to research wherein data is collected directly from the sample as opposed to secondary research which dwells on primary research that has already been carried out by others.
See the link below for more about Primary and Secondary Research:
brainly.com/question/13672588
Answer:
Pensive
Explanation:
PENSIVE-
engaged in, involving, or reflecting deep or serious thought.
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well it says here in the exerpt that they bursted out in to laughter showing they thought that was a joke.
A human
crawls then walk then has a cane
Answer: Where is the question and I’ll tell you
Explanation: