<h3><u>Layers that form in ice are similar to tree rings:</u></h3>
Dendrochronology is the term for the study of tree rings. It counts the 'number of rings' in a tree and studies it.
A ring represents a specific period of time, similar to 'tree rings layers' of ice also provide information such as climate from past environmental conditions by the air bubbles that is trapped in it.
Both the ice and the tree rings tell us about the past information.
