You are presented with the question "What can cause tsunamis?" and the following answer choices: 
- cloud movement
 - The area was once underwater
 - sonic booms
 - energy of moving objects
 - the movement of tectonic plates
 - deadly and devastating
 - mountain formations
 - wind and erosion

Now knowing that the movement of tectonic plates causes volcanic eruptions and volcanic eruptions can also cause tsunamis, choose the best answer.


 

     the movement of tectonic plates    