You are presented with the quiz "How can Earth's crust shatter glass windows for miles?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "faulting of rock in Earth 's crust causes earthquakes" and "earthquake tremors also frequently shatter window glass miles from the epicenter". 

So, what's the best answer to the question?


 

      rock faulting     