The correct answer is B) an absolute age only.
An object is known to be 8,000 years old. This an example of an absolute age only.
In geological terms, when examining an object, scientists can date is as an absolute age or a relative age. Absolute age is the numeric years of the fossil or layers of the rock. Scientists determine Absolute age using radiometric dating. So in the case of this question, when the number of years ins 8,000 years old, scientists are establisj¿hing the absolute age, being specific.