Luis is writing about his recent vacation where he got to experience many new things. Which details best support his topic? A=Quotes from frineds who have visted the area
B=Research on the history of the area
C=a list of people he went with.
D=Examples of his experiences

(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.”)

According to section four, what is the most likely reason that a polyester blend fabric would make the project more difficult for amateur quilters?

Which sentence you is an example of chronological structure in “the city without us”?