Answer:
B. it is often transitory—that is, it is brief and passing.
Explanation:
There are lots of different kinds of collective behavior, so trying to identify a specific set of standards or reasons to suit all is very difficult. Also, episodes of collective behavior —such as riots, social panic, and more— are unpredictable and last for a short time, which represents a difficulty for sociologists who want to analyze them as they take place. People involved in these events are often strangers to each other, making it even harder to determine who took part in them.
Hey there!
Your question states: A highly <span>susceptible population is
. . .
The word </span>

indicates when something is most likely to happen. It also means when things have a chance of happening or it's liable to be influenced.
<span>
In this question above, we need to find something that would happen based on what you have.
</span>A highly susceptible population is<span>
people who are more likely to become sick from food-borne illness.
People who have to food-borne illness, will most likely get sick.
Your correct answer would be </span>

<span>
✓</span>
Hope this helps.
~Jurgen
Many believe history repeats itself. This rationale often leads historians and others to draw parallels between current events and the past. Throughout your history courses, you have used past events to form arguments, conclusions, and generalizations. It is important to recognize, however, that, simply because someone makes such a connection and uses facts to support it, it doesn’t mean that it is correct or accurate. The ability to distinguish between sound generalizations and misleading oversimplifications is an important skill.
B - biological
According to the biological perspective, personality is primarily determined by one’s genes.