| A | B |
|---|
| alert | able to think clearly |
| jammed | to fill a place completely so that it becomes slow or stopped |
| gusted | to blow or rush in gusts |
| cautious | careful about avoiding danger or risk |
| courageous | very brave |
| volunteer | someone who does something without being forced |
| musher | the driver of a dogsled |
| vowed | to make a serious promise |
| pilot | a person who flies an airplane or helicopter |
| hollered | to call out loudly |
| blizzard | a severe snowstorm that goes on for a long time |
| whiteout | a type of snowstorm in which the falling snow makes it very difficult to see |
| maze | a confusing system of connected passages |
| harness | a set of straps that are placed on an animal so that it can pull something heavy |
