Question

the image below illustrates plate movements at

mt st helens
rocky mountains
mid atlantic /ridge
san andres fault

Explanation:

The image shows a transform - plate boundary where two plates slide past each other horizontally. The San Andreas Fault is a well - known example of a transform plate boundary. Mt St Helens is related to a subduction zone, the Rocky Mountains to plate collision, and the Mid - Atlantic Ridge to a divergent plate boundary.

Answer:

San Andres Fault