- California is located on the boundary of two tectonic plates
- Earthquakes are most common along tectonic plate boundaries
- Massachusetts is not located on the boundary of two tectonic plates
- Therefore, earthquakes are more likely to occur in california than in massachusetts

Therefore, earthquakes are more likely to occur in california than in massachusetts
Question: Which of the following statements best explains why earthquakes occur more frequently in California than in Massachusetts?
Context: - California is located on the boundary of two tectonic plates 
- Earthquakes are most common along tectonic plate boundaries 
- Massachusetts is not located on the boundary of two tectonic plates