Fast-moving glaciers that can move up to 6 kilometers per year

The answer for this question would be the term SURGING. Surging is the fast-moving glacier that can move up to 6 kilometers per year. It flows more quickly, sometimes moving 10 to 100 times faster than it normally does. This is one of the classification of a glacier aside from the normal type. Hope this answers your question.

A., d., and f i think