Which of the following is the best indicator that a

Chapter , Problem 93MCQ

(choose chapter or problem)

Problem 93MCQ

Which of the following is the best indicator that a volcano might be very dangerous?

A. gentle slopes that signify fast-flowing lavas

B. rock analyses that indicate a low content of silica

C. a volcano that contains andesite and welded tuffs

D. ages that indicate the volcano last erupted 10 million years ago

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