What Is the Most Common Trigger for Avalanches in Recreational

question 92

Multiple Choice

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

---

Definitions:

Compound Leaves

Leaves that are divided into multiple leaflets, all attached to a single stem, as opposed to single, undivided leaves.

Pines

Type of conifer trees belonging to the genus Pinus, known for needle-like leaves and production of cones containing seeds.

Firs

A genus of evergreen coniferous trees belonging to the family Pinaceae, known for their needle-like leaves and their role as popular Christmas trees.

Gymnosperm Phyla

A group of seed-producing plants that includes conifers and cycads, characterized by seeds that are not enclosed within an ovary.