Fact 1: Tectonic plates being pushed together causes earthquakes.

Fact 2: An earthquake hits San Francisco causing major damage.

Given the two facts above, answer the question "what has tectonic plates?" with the following options: 
- San Francisco
 - outer space
 - atmosphere
 - h2o
 - coral reefs
 - humans disturb it
 - Physical weathering
 - threatened


 

 San Francisco        