What “saves” the correspondent, cook, and captain in the end? (Why do they survive but not the oiler?)

Ponyboy says that it is not just money but rather feelings that separate the two classes use the text to decribe if this is a fair statement

April does not let things interrupt her goals, she just continues on until she gets what she wants. complete, run on or comma splice

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)