Base your answer to question

on the passage

below and on your knowledge of social studies.

Geneticists are tracing the movements of people

in prehistoric Europe using our DNA as a time

machine. . . .

— Joe Palca, “Tracing Human Migration Through DNA,”

NPR Weekend Edition Saturday, August 11, 2007


This passage suggests that modern science can be

used to

(1) aid historical analysis

(2) show the development of a point of view

(3) explain ancient medical practices

(4) predict future events