What’s the difference between nurse and doctor

(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.”)

Where sarah live? a. are b. is c. do d. does

How does the author's use of hyperbole to characterize jim smily? a) it characterizes smily as an introverted loner who prefers books to people. b) it characterizes smily as a man who is kind and nurturing toward others who are less fortunate. c) it characterizes smily as a man who is evil and vindictive toward any one who crosses his path. d) it characterizes smily as a man who is a risk-taker who willing bets on anything and with anyone.