According to "Introduction to Cultural Rebellion: Mid-Twentieth-Century Voices," what motivated both science fiction and beat generation authors in the United States after World War II?

Refer to the list of words parts on the left to answer the questions. what prefix is used in the word incredulous? what suffix is used in the word incredulous? what word root is used in the word incredulous?

If one writes logically, he will prove his point. is this sentence correct or contains an unwarranted shift in person?

(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.”)