Avalanches

Q. When a large mass of snow, ice, and rock slides down a mountain or the side of a hill, it is known as a(n) _____.

1. earthquake
2. cyclone
3. avalanche
4. flood

Q. are large masses of snow, ice, and rocks that slide down the slopes of a mountain or hilly terrain.

1. Avalanches
2. Landslides
3. Floods