Which factor is the most accurate in determining the absolute age of two rocks?

a. the presence of unconformities

b. comparing fossils in the layers

c. vertical position

d. radioactive dating of each layer

I  cant see the question.

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!