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Avalanches.
An avalanche occurs when a mass of snow falls down a mountainside. That is because new snow (which is not wet) accumulates on a more heavy snow layer. Since the new snow layer is not...
Avalanches occur in the back country where we like to play. Most avalanches occur on slopes between 35 & 45 degrees. Slopes less than 30 degrees rarely produce avalanches, and slopes greater than...
Answer.
Basically, the snow builds up to the point where it can no longer support its own weight. Then it falls down. An avalanche can be triggered by an outside force such as a person traveling over...