Answer:
The changing mood reflects the man's increasing desperation.
Explanation:
In this story, we meet a miner in Yukon that makes a terrible decision: He decides to travel on a cold day. Although other people advice him not to do it, he goes ahead with his journey. When he falls through the ice, he needs to build a fire to dry himself off. But this proves to be extremely difficult. As the story progresses, the man becomes increasingly desperate, which is reflected on the changing mood of the story.
