All statements about scientific theories are true except: question 3 options: they explain why nature behaves the way it does. they are speculation. they must have the ability to make predictions on future behavior. they should use observations to test the theory. they are derived from hypothesis.

What is the difference between a journal entry written by an eyewitness to an event and a play written about the same event? a. the journal entry is a historiographical source, while the play is a periodical source. b. the journal entry is a chronological source, while the play is a primary source. c. the journal entry is a primary source, while the play is a secondary source. d. the journal entry is a secondary source, while the play is a periodical source.