What is the main character of "to kill a mockingbird"?

Which of the following is a comparison that this poem makes?

What crucial event can change a protagonist's life

Read the exercept from robert stawell ball great astronmers,based on the context of the exerpct what does the word protacted most clearly means? a.seeming to be truthful b.weighing an excessive amount c.extending in a specific decision d.continuing for a long time e.being exceptional and talented