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

Fact 2: An earthquake is a sudden shaking of the ground.

Given the two facts above, answer the question "Faulting of rock in Earth 's crust causes what?" with the following options: 
- a lot of human deaths
 - Sudden shaking of the ground.
 - deadly and devastating
 - Earth day.
 - Butter crust.
 - death and devastation
 - a hemisphere is tilted away from the sun
 - Causality.


 

  Sudden shaking of the ground.       