The San Andreas Fault marks a ____.
a. convergent boundary
b. divergent boundary
c. subduction zone
d. continental collision zone
e. transform boundary
Question 2
Which process creates island chains with active volcanoes at one end?
a. Asthenospheric convection moves a magma plume under a stationary plate.
b. Magma plumes form on the Earths outer core and rotate under a stationary plate.
c. Divergent boundaries move plates away from a stationary magma plume.
d. Convergent boundaries move the location of melting crust under a stationary plate.
e. Crustal plates move over a stationary magma plume.