What is the most common trigger for avalanches in recreational accidents?
A) a person's weight added to a slope that is near failure
B) daytime heating of the upper snowpack, which weakens the near-surface layer
C) inflow of warm air funneled upward from a valley, weakening the near-surface layer
D) skiers deliberately attempting to release unstable snow before they ski down a slope
E) bad weather

Question

Quizplus · Accepted Answer

The weight of a person added to a slope that is already close to failure is the most common trigger for avalanches in recreational accidents. This can happen when a skier or snowboarder moves onto a slope that is already on the brink of failing, causing the snowpack to collapse and trigger an avalanche.

What Is the Most Common Trigger for Avalanches in Recreational