Which of these is a primary source? A. a book about the American Civil War
B. an encyclopedia entry about the Russian Revolution
C. Abraham Lincoln's diary
D. a science textbook

Read the example sentence and study the chart of definitions. our vacation was ruined by the tediousness of the daily group activities, all of which seemed too much alike. given that the greek word root mono means "one” or "single,” which word could replace tediousness? a.monopoly b.monolith c.monotone d.monotony