Question

what fault is responsible for most of the largest earthquakes in california? san jacinto fault san andreas fault hayward fault cucamonga fault review

Explanation:

The San Andreas fault is a major transform fault in California and is responsible for most of the largest earthquakes in the region due to the tectonic plate movement along it. The other faults listed (San Jacinto, Hayward, Cucamonga) are also active but not as dominant in producing the largest quakes as the San Andreas.

Answer:

B. San Andreas fault (assuming the options are labeled with letters, if not, the answer is "San Andreas fault")