Fact 1: High temperatures can cause an object to combust.

Fact 2: Fine droplets of water explode into steam during combustion.

Given the two facts above, answer the question "High temperatures can cause objects to what?" with the following options: 
- Movement
 - freeze
 - chill
 - ice over
 - Pollution
 - deadly
 - explode
 - Bend


 

       explode  