Fact 1: Heating a liquid can be used to identify that liquid 's boiling point.

Fact 2: Lots of gas bubbles burst over the boiling lakes' surface.

Given the two facts above, answer the question "Heating a liquid can cause what?" with the following options: 
- direct damage to the lungs
 - gas bubbles to burst
 - Something to move
 - It expands
 - The bending of a ray of light
 - chemical reaction
 - enormous damage to homes
 - matter vibrating


 

  gas bubbles to burst       