Fact 1: Faulting of rock in Earth 's crust causes earthquakes.

Fact 2: Earthquakes can cause a tsunami.

Given the two facts above, answer the question "What can be caused by a faulting of the earth's crust?" with the following options: 
- a hurricane
 - a hail storm
 - waves
 - graptolites
 - a tsunami
 - loose soil
 - river
 - erosion


 

     a tsunami    