Answer:
social experiment
Explanation:
According to my research on studies conducted by various sociologists, I can say that based on the information provided within the question the study just described is a social experiment. This type of experiment focuses on research which test a human's reaction to certain situations or events. Which is what is happening in this situation with the students.
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Can u show a pic of the question
True, Why?
When stretching you not only warm-up your muscles to action but it reduces the possibility that your muscles and joints will get rigid and you'll get a cramp.
So it is true!
A) is the correct answer:)