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Dendrochronology (tree ring dating).
Dendrochronology is the dating of the past through the study of tree ring growth. Dendrochronology is based on the principle that most trees produce new growth rings each year, in between their wood and the bark. The thickness of each of the tress rings varies depending on the environmental conditions from year to year. A thick ring will indicate lots of growth, telling you that it was a very wet year. Where as, thin ring indicates a very minimal amount of growth, informing us that it was a dry year.
If the size of a tree's rings varies depending on environmental factors then we can co…
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