The volcanoes of the Cascade Range including Mt.Garibaldi in British Columbia and St.Helens in Washington result from ___________________.

Question

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The volcanoes of the Cascade Range, including Mt. Garibaldi in British Columbia and Mt. St. Helens in Washington, are primarily formed as a result of the subduction of the Juan de Fuca plate beneath the North American plate. This process involves the oceanic plate moving beneath the continental plate, leading to melting of the mantle and the production of magma that rises to the surface to form volcanoes.

The Volcanoes of the Cascade Range Including Mt