When writer Mary Roach describes first meeting FDA entomologist Dana Ludwig, she uses an idiom, a phrase that has a figurative meaning separate from the literal meaning of the words, to describe her awkward attempt at a joke. What idiom does roach use

What does that mean

Sherman alexie's purpose for writing  this book was to recount his story and impact those individuals who do feel different that there is the expectation and that they can overcome intense circumstances. he used his childhood on the reserve as a boy with hydrocephalus to inspire the story, self deprecating himself using humor and hyperbole to make it funny and informing instead of a depressing and pitiful novel.-hope i i recently finished the quiz on edgenuity

For which i have practicedwas this from ignitia's english ||  chapter 1 test?