My mom drove the car as i sat in the passenger seat

(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.”)

•your english teacher has asked you to write a short three-page research paper. which topic is the most narrow? a. water pollution b. how lake pollution affects fish c. how water pollution affects seal d. pollution

Which statement is true about the theme of a short story? a. the theme is directly stated in the story. b. the theme is the message the author wants to convey. c. the theme is the purpose of the story. d. the theme is the same as the subject of the story.