A(n) ________ is a long-lived, stationary magma source deep in the mantle, well below the base of the lithosphere.
The ________ today marks the location of the rift along which Africa separated from South America.
Japan and the Aleutian Islands have formed from a(n) ________ to ________ convergent boundary.
The San Andreas fault in California is a good example of a(n) ________ plate boundary.
________, in the north Atlantic Ocean, is a volcanic island formed over a hot spot on a divergent plate boundary.
Rifting and normal faulting are characteristic of a(n) ________ plate boundary.