Which set of data relating to the 1991 collapse of New Zealand's Mount Cook is correct?
A) The mountain was shortened by 10 m, the debris traveled for 7.5 km, and the avalanche traveled at speeds up to 200 km/h.
B) The mountain was shortened by 2 m, the debris traveled for 0.85 km, and the avalanche traveled at speeds up to 20 km/h.
C) The mountain was shortened by 100 m, the debris traveled for 75 km, and the avalanche traveled at speeds up to 800 km/h.
D) The mountain was shortened by 60 m, the debris traveled for 50 km, and the avalanche traveled at speeds up to 100 km/h.
Answer: A
You might also like to view...
Since ozone can form near the surface as a by-product of anthropogenic pollutants, which type of pollutant is it?
A. reactive B. primary C. secondary D. tertiary E. external
What is an example of an internal process?
A. sediment transported by runoff B. rock material weathered by rain C. sand removed by powerful winds D. ocean waves causing cliff collapse E. folding of crust near a fault line
Which of the following solutions is the most concentrated?
A. 3.0 L of a 0.5 molar solution B. 2.0 L of a 1 molar solution C. 0.5 L of a 1 molar solution D. 0.5 L of a 3 molar solution E. 2.0 L of a 2 molar solution
Why does adding water to sand increase the angle of repose for the material?
A) Water increases friction. B) Water increases cohesion. C) Water increases the oversteep angle. D) Water decreases friction.