What does whitman use to convey the passage of time in "there was a child went forth"? dialogue, imagery, repetition or setting

(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.”)

4. interpret how do the speaker's descriptions of and feelings about the wind change as the poem progresses? how does this shift show a change in the tone of the poem?

Connie has 4 lists about trees in her notes. which of her lists gives names of products that we can get from trees?