What is one of the key reasons to add a hyperbole to literary work?

Read the excerpt and answer the question. the boards themselves seemed to remain upright not from being nailed together but rather from leaning together, like a house that a child might have constructed from cards. what best describes the figurative language in the sentence above? idiom simile onomatopoeia personification

Read this sentence:somebody save the smoke! the nomadic tribes move to a new location each season. which word provides a clue to the meaning of nomadic? new season move location

Was chris mccandless a hero why or why not