Simulations allow us to examine models of atoms and molecules. Why is a model helpful when learning about atoms and molecules? Choose the best answer.

Which rhetorical device is used in this excerpt from "the danger of lying in bed" by mark twain? "if i am going to travel by rail i shan't need it. lying at home in bed is the thing i am afraid of."

Select the quote that best shows character. “why should he disturb my peace? ” “excuse me, sir, i am not accustomed to listen to such expressions or to such a tone of voice. i want to hear no more.” “the dear lady may well have taken me for a brigand.” “then you won’t pay me now? eh? ”

Which adjective best describes the narrators father according to the narrator