Maria is a geologist studying a particular rock layer in a local mountain range. one of her colleagues had previously discovered an uncommon dinosaur fossil in the same rock layer. maria uses the known age of the fossil to determine the age of the rock layer she is studying. what dating method is maria using?

Which of the following statements does not describe shi huangdi? a. shi huangdi was the first emperor of the qin dynasty. b. shihuangdi wrote the lunyu, the most important text in confucianism. c. shihuangdi conquered city-states to unite china. d. shihuangdi began the process of building the great wall of china.