I WONDER - What Is An Avalanche?

The video explains avalanches, which occur when snow breaks loose and rushes down a slope, causing potential devastation. Avalanches can be triggered by factors like heavy snowfall, temperature changes, winds, or human activities. They can reach speeds of 80 mph or more, making them extremely dangerous.

What factors can trigger an avalanche?

Describe the speed at which an avalanche can travel.