Geography

Renee Blackwell

7 June, 18:33

Mt. St. Helens erupted explosively in 1980. Geologists find evidence of many eruptions of Mt. St. Helens, dating back 37,000 years. The mountain is huge and is composed of layers of lava and pyroclastics. Which of the following is therefore most likely TRUE?

A. When lava flows from Mt. St. Helens, it will be basalt

B. The volcano is extinct

C. Mt. St. Helens is a stratovolcano (or composite volcano).

D. Mt. St. Helens sits on a transform plate boundary

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