Active volcanoes today in Oregon and Washington,including Mt.St.Helens,result from _________________.
A)heat generated by friction on the San Andreas Fault
B)the subduction of the Juan de Fuca plate beneath North America
C)
The subduction of the Pacific plate beneath North America
D)spreading of the Juan de Fuca ridge
E)continent-continent collision

Question

Quizplus · Accepted Answer

The active volcanoes in Oregon and Washington, including Mt. St. Helens, are primarily the result of the subduction of the Juan de Fuca plate beneath the North American plate. This process generates significant heat and magma, leading to volcanic activity.

Active Volcanoes Today in Oregon and Washington,including Mt