You are presented with the question "What causes volcanic eruptions?" and the following answer choices: 
- Too much lava in the volcano
 - energy of moving objects
 - Lava getting too hot
 - Earthquakes
 - Tectonic plates moving
 - fissures of hot, acidic water
 - heating liquids
 - The area was once underwater

Now knowing that the movement of tectonic plates causes volcanic eruptions and plate techtonics could be defined as the movement of the earth's sections or plates as a result of convectional forces below the surface, choose the best answer.


 

     Tectonic plates moving    