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Over a 200-year period, a volcano erupted once. According to this information, what is the yearly frequency of volcanic eruption? A. 99% B. 20% C. 0.5% D. 1%
Over a 200-year period, a volcano erupted once. According to this information, what is the yearly frequency of volcanic eruption? A. 99% B. 20% C. 0.5% D. 1%