Collective behavior involves action that often select one: a. is unplanned. b. involves a large number of people. c. is controversial. d. all of these responses are correct.

d. all of these responses are correct.

Explanation:

According to my research on studies conducted by various sociologists, I can say that based on the information provided within the question the answer to this question is all of the above. This is because Collective behavior is defined as events that suddenly emerge. These events do not conform to rules or laws but instead are shaped based on the issue at hand. Classifying them as unplanned, controversial, mass riots.

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the last day of school because i didn’t have to go to school the next day