In one to two sentences, describe the strategy of "creating mental images" in your own words. pls

Read this excerpt from chapter 1 of i know why the caged bird sings by maya angelou and answer the queswhen i was three and bailey four, we had arrived in the musty little town, wearing tags on our wrists whinstructed - 'to whom it may concern' - that we were marguerite and bailey johnson negropassengers, who always traveled with loaded lunch boxes, felt sorry for the poor littleand plied us with cold fried chicken and potato salad.deducing from the diction, which of the following are possible audiences for the memoir select all that appchildren of three and four years of age like ones in the memoirafrican-american adults from the south who can relate to angelou's storycaucasian adults interested in american historytrain conductors and passengers

(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.”)

Because genetics is now progressing so rapidly, it is revolutionizing medical research. identify the subordinate clause in the sentence. a) is now progressing b) is now progressing so rapidly c) it is revolutionizing medical research d)