Riddle

My rings are not worth much, but they do tell my age. What am I?

Choose an answer

A.A tree stump
B.A shell
C.A tusk
D.Tree
Hint: It's a word with 4 letters, starting with "T".

Answer

Tree

Why this is the answer

A cross-section of a tree trunk reveals concentric growth rings, one added per year, that reveal its age.

This riddle is filed under "What Am I?" Riddles and rated Easy.