What do we know about the main volcanoes in the Cascade Range?

A. Only Mount St. Helens and Crater Lake have erupted in the last 4,000 years.
B. Nearly all of the large Cascade volcanoes have erupted in the last 4,000 years.
C. Only Mount St. Helens has erupted in the last 4,000 years.
D. Only Mount St. Helens and Mount Shasta in California have erupted in the last 4,000 years.


Answer: B

Environmental & Atmospheric Sciences

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