After contact with Europe, the population of the Americas decreased by __________.

A plot is linear when

a. when flashbacks are used. b. when the play is organized by thought. c. when the events of a drama progress forward and sequentially in time. d. when the sequence of events is reversed.

Don Giovanni, in Mozart's opera of that name, is ________.

A. the servant to Leporello B. a despotic Italian nobleman C. Sir John Falstaff D. the legendary Spanish lover