Put immortal in a sentence

In a short summary, describe the progression of roderick usher’s mental and physical deterioration over the course of the story. in your opinion, what brought on his illness?

Which detail from "to build a fire" best supports the idea that most of the real yukon prospectors had little experience for surviving in cold weather? it happened. it was his own fault or, rather, his mistake. he should not have built the fire under the spruce tree. there was the fire, snapping and crackling and promising life with every dancing flame. he would have to build a fire and dry out his footgear. this was imperative at that low temperature—he knew that much. the flame he got by touching a match to a small shred of birch bark that he took from his pocket.

Which is the most effective paraphrase of the passage "six benches were left empty in every ship that evening when we pulled away from death. and this new grief we bore with us to sea: our precious lives we had, but not our friends" - the odyssey