Question

a form of mass behavior that seemingly comes out of nowhere and disappears almost as quickly is called a

Answer 1

It is called a fad......

Answer 2

Fad

Step-by-step explanation:

A fad is a type of collective behaviour that develops over a very short period of time. During this period, however, many people follow the behaviour in extreemly enthusiastic ways. Fads are usually sudden, quick-spreading and short-lived. Fads usually last only for the time period during which they are considered to be "cool."