Answer:
The correct answer is option dendrochronologist.
Step-by-step explanation:
Tree forms annual ring or concentric circles of new cells every year which shows the amount of wood produced during one growing season. The oldest rings are present in the center which are marked easily as they are smaller while the youngest rings are larger and present in the outer edge.
The study of the science of these tree rings is known as dendrochronology and the person who studies this science is known as dendrochronologist.
The study of dendrochronology is also used by the historians, classicists and medieval studies graduate along with Chemists, Botanists and Archaeologist.
Thus, option dendrochronologist is the correct answer.