Which group is most likely planning to participate in a formal discussion?

(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.”)

Simple subject mary will start the race in ten minutes

Read the sentence from a student’s essay about “the treasure of lemon brown.” greg sees his father differently after he speaks with lemon brown. what revision should the student make to clarify the main idea of this sentence? replace “sees his father differently” with “appreciates his father.” add the phrase “at the end of the story” after the word “differently.” change the wording of “speaks with” to “has a conversation with.” remove “after he speaks with lemon brown” from the sentence.