You are in charge of emergency planning in Electron, Washington, when it is brought to your attention that the entire town is built upon the remains of eruption materials from Mount Rainier, which is less than 30 miles away
Using the past volcanic hazard history of Mount Rainier, which volcanic hazard would most likely affect your town?
A) Pyroclastic flow
B) Lahar
C) Lava flow
D) Volcanic landslide
E) Earthquakes
Answer: B
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A wire that carries an electric current
A) is electrically charged. B) may be electrically charged.
Solar-powered distillation of water
A. does not require significant energy input. B. works even on very saline water, including seawater. C. is very fast. D. requires the same amount of land area as any other method of water distillation.
Atmospheric gas:
A) will, for a given amount of gas, experience an increase in pressure if the volume of the gas is decreased. B) undergoes abrupt pressure changes as height above the surface of the earth increases. C) has a smaller mean free path at higher elevations than at lower elevations. D) has no significant effect on sports events played at different elevations.
Within the deep cold zone, average temperature and salinity
A) remain fairly constant with depth. B) decreases and then increases just above the seafloor. C) increases and decreases, respectively. D) decrease with depth. E) increase with depth.