What type of plate tectonic boundary lies north of the San A…

What type of plate tectonic boundary lies north of the San Andreas, off the coast of northernmost California and Oregon?
Select one:
a. Transform
b. Convergent
c. Divergent
d. Hot Spot
Which type of plate boundary exists beyond the southern tip of the San Andreas, in the Gulf of California?
Select one:
a. Convergent
b. Transform
c. Divergent
d. Hot spot
Which of the following SF Bay Area earthquake faults currently poses the greatest hazard to the public?
Select one:
a. Greenville / Concord fault
b. San Andreas fault
c. San Gregorio fault
d. Calaveras fault
e. Hayward / Rodgers Creek fault
In total, about how much relative strike-slip motion can we estimate has occurred along the San Andreas fault?
Hint: the answer comes from Pinnacles and the Neenatch volcanics. 
Select one:
a. ~300 miles
b. ~200 miles
c. At least 350 miles
d. ~250 miles