Can you please help me?​

Which statement would you identify as being correct? a. it is important to learn the etymology of every word in a text. b. it is important to understand the etymology of every word in a text. c. it is important to study the etymology of every word in a text. d. it is important to study the etymology of some words in a text.

(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.”)

Read the excerpt from hemingway’s a farewell to arms. we parked the cars beyond the brickyard. the ovens and some deep holes had been equipped as dressing stations. there were three doctors that i knew. i talked with the major and learned that when it should start and our cars should be loaded we would drive them back along the screened road and up to the main road along the ridge where there would be a post and other cars to clear them. which best describes hemingway’s style of writing in the excerpt? straightforward and simple, while still relating a lot of information to the reader long-winded and offering far too much information to the reader overly complicated, making it difficult to interpret and understand the text effortless and uncomplicated, with little meaning for the reader to interpret