Fact 1: The movement of tectonic plates causes volcanic eruptions.

Fact 2: Earthquakes are caused by movement of the tectonic plates.

Given the two facts above, answer the question "what causes volcanic eruptions?" with the following options: 
- eukyarotes
 - Water expanding
 - heating liquids
 - Greenhouse gases
 - earthquakes
 - heat energy
 - scattered light
 - kinetic energy


 

     earthquakes    