What does internal expectations mean ? & External expections

While doing your research, all of the following would be good secondary sources to use to develop a general overview about the vietnam war, except: a. the encyclopedia britannica b. an interview with a veteran of the war c. a textbook on the history of the 20th century d. an online resource such as ‘wikipedia. org’ or ‘’

Suppose you connect a battery to a small light bulb with a single wire. what do you think will happen? explain your answer.

Which type of story uses animals as characters in order to illustrate a general truth about human nature?