You are presented with the question "What is one thing that rings can tell you?" and the following answer choices: 
- 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

Now knowing that 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, choose the best answer.


 

     age of a tree    