The following is a quote from a logger operating near Mt. St. Helens before the eruption: "We're logging 10 miles away from the peak. . . . I don't see any hazard. I just came back from Hawaii, where they run tourist buses right up to the edge of a venting volcano." How might you respond to this person to make them understand the differences between Hawaiian volcanoes and Mt. St. Helens?
A. Explain the differences between extinct (Hawaii) and active (Mt. St. Helens) volcanoes.
B. Explain the differences between mafic (Hawaii) and siliceous (Mt. St. Helens) magmas.
C. Explain the differences between oceanic (Hawaii) and continental (Mt. St. Helens) volcanism.
Answer: B
You might also like to view...
Winter nights are longest in which city?
A) Houston, TX B) Chicago, IL C) Los Angeles, CA D) Atlanta, GA
A prime example of a Special Economic Zone, located adjacent to Hong Kong, is the city of
A) Beijing B) Shanghai C) Shenzhen D) Chengdu E) Guangzhou
Water increases the chance for mass movement by:
a. diminishing particle cohesion (and therefore decreasing fraction) b. adding weights (and therefore increasing the downslope force) c. changing the stable slope angle d. both a and b
Hot springs are most numerous in which region of the United States?
A) Midwest
B) Northeast
C) Southeast
D) West