Answer:
(A) True
Explanation:
The Cascadia subduction zone is 1,100 kilometers long, and its characteristics of youthful oceanic plate and strong coupling with the overriding plate are similar to situations in southwestern Japan and southern Chile where very large earthquakes have occurred. The Cascadia subduction zone is a convergent plate boundary that stretches from Northern Vancouver Island to Cape Mendocino California, It results from the subduction of the Juan de Fuca Plate beneath the North American plate. The Cascadia subduction zone is stable with no significant seismic activity.
D, combination of all the them
It definitely would not be the first answer! The other two answers I can see why someone would get stumped on. I believe it's C, when your talking about a decade you don't add a apostrophe. Hopefully this helps xx