Which word could be substituted for wacky to maintain the formal style of the passage?
A. weird
B. off-the-wall
C. unusual
D. awesome

(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.”)

8. "caged bird" right now, i feel like a bird caged without a key everyone comes to stare at me with so much joy and reverie they don't know how i feel inside through my smile, i cry they don't know what they're doing to me keeping me from flying that's why i say i know why the caged bird sings only joy comes from song she's so rare and beautiful to others why not just set her free? so she can fly, fly, fly spreading her wings and her song let her fly, fly fly for the whole world to see she's like caged bird fly, fly ooh just let her fly just let her fly just let her fly spread the wings spread the beauty what is the allusion found in the poem? question 8 options: a) alicia keys b) i know why the caged bird sings c) spreading her wings and her song d) fly, fly, fly

Which phrase or word from the poem reviles the view of the authors believe that outgoing people tend to gossip or share information