Annual Growth Rings
by Andrew Ackerley/science Photo Library
Title
Annual Growth Rings
Artist
Andrew Ackerley/science Photo Library
Medium
Photograph - Photograph
Description
Annual growth rings. Cross-section through the trunk of a tree showing growth rings. Each ring represents the growth of the tree during one year. The circular shape between the rings is a knot, which marks the former postion of a branch.
Uploaded
October 4th, 2018
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