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
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