Fact 1: An earthquake causes the ground to shake.

Fact 2: Earthquakes are caused by fault movement.

Given the two facts above, answer the question "A fault movement causes what to happen?" with the following options: 
- birds to migrate
 - animals to hibernate
 - Movement
 - whales to mate
 - ground to shake
 - Electrical energy
 - flow of electrons
 - friction


 

     ground to shake    