What is the plural form of "hypothesis? "?

Which dialogue introduces a conflict?

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 ‘’

What is one purpose of the prologue in sugar changed the world