Absolute chronology<span>. Geochronology in which the time-order is based on </span>absolute<span> age, usually measured in years by radiometric dating, rather than on superposition and/or fossil content as in relative </span>chronology<span>.</span>
Answer:
B.
Explanation:
I had this same problem and I guessed on it
However it told me my answer was wrong lol
But what it did do was list me the correct answer
and for me it showed ( B ).
Johannes Gutenburg is the person you are looking for.
The answer is unsure to me because i don't see the examples above, but I'd go with d.
