The number of rings in a tree trunk can be used to estimate the age of the tree, and age of young trees is estimated from both trunk circumference and tree height. Given these facts, what is one thing that rings can tell you among the following options:
- chemical changes
 - encoded information
 - coded genes
 - age of a woman
 - age of a tree
 - age of a lake
 - it can be seen
 - size of a tree


 

     age of a tree    