Which piece of textual supports the inference that the British had better codebreakers than the Russians did

Mr and mrs van daan murmur their welcome what are the playwrights indicating by using the word murmur?

(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.”)

In addition to academic and extracurricular achievements in school, i am an involved member of my community. i volunteer at the local animal shelter every saturday morning, and i build houses for a nonprofit organization a few times a year with my family. which of these rhetorical devices is most clearly used here? a. inductive logic b. ethos c. parallelism d. text structure