Final answer:
The question and passages provided relate to the subject of English, specifically in the context of high school level literature study that explores themes of isolation, fear, and human existential experiences.
Step-by-step explanation:
The excerpts provided seem to come from different literary works or texts that explore themes of isolation, fear, danger, human relationships, and existential reflections. The common thread in these passages is the presence of an individual grappling with a physically or emotionally challenging situation or engaging in a significant contemplation of life and human existence.
These scenarios and reflections are used to express deep-seated emotions, confront fears, and touch on notions of survival—both physical and spiritual—in the face of adversity. Such narratives are typically found within the study of English literature, where the focus is on analyzing character development, themes, and the use of language to evoke emotions and convey complex ideas.