Fact 1: Arubber band snapping causes the particles in the rubber band to vibrate.

Fact 2: Elastics are rubber bands that connect the upper and lower braces.

Given the two facts above, answer the question "An elastic snapping causes the particles in the elastic to do what?" with the following options: 
- disappear
 - break off
 - freeze
 - behave
 - steady
 - similar
 - vibrate
 - Bend


 

       vibrate  