Which theme is introduced in this exposition? Silence is its own reward. Real peace is found in nature. Curiosity leads to dark truths. Danger lurks most often at home. Which is a characteristic of a solution?

(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.”)

Apex english 4 semester 1 read the following story summary. when she was a child, sara hated her piano instructor, mr. singh. she felt she had already mastered the piano, but mr. singh constantly criticized her playing in a blunt and hurtful way. after sara grew up, she realized that mr. singh's strictness was responsible for the only edge she had over other pianists her age and the only reason she was able to succeed in music later in life. she learned to appreciate his tough love. what does the story most clearly suggest about the author's perspective? a.that a person should put his or her talents to good use b.that pursuing one's dream is paramount in life c.that the world is harsh and only the strong survive d.that adults have children's best interests in mind

[1] on her way home from practice, rebekka found a gold man’s watch. [2] she wasn’t sure what to do. [3] there was no name engraved on the back. [4] looking at the gold links on the band, the watch seemed to rebekka to be expensive. [5] she felt badly that someone had lost such a nice watch. what is the best revision of the troublesome modifier in sentence 5?