Which of the following is true about collective behavior?
a.
collective behavior is easy to study for sociologists.
b. collective behavior happens more often when the social order and norms break down.
c. collective behavior lasts the longest of any type of group.
d.
collective behavior is never violent.

The truth about collective behavior is that collective behavior happens more often when the social order and norms break down.

The answer to this question is option B. Collective behavior can be described as the different types of behavior that may be found in large groups.

The kind of behaviors that may be regarded as collective behaviors includes:

Such behaviors could arise due to movements for social reforms. They happen due to break down in law and order.

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Statement second is true as collective behavior happens more often when the social order and norms break down.

Explanation:

Collective behavior can be defined as the mass or collective behavior of a group whether it is animal or human (as mob action): the integrated action of a gathering of individuals whether organized or not.

Franklin Henry Gidding was the first person to used this expression.  Collective behavior is always run by the rules or energy of the group, provoking people to indulge in activities they may deem unimaginable in certain social situations.

the answer would be c. sediment buildup on continental slope

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