What rood word has to do with light

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

In the book hatchet why did brian think searchers would not find him

Which function is positive for the entire interval (-3, -2]?