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What is dendrochronology and how is it used to study climate?

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Dendrochronology is the scientific method of dating tree rings to analyze past climate conditions, environmental changes, and geological events. By studying the width, density, and chemical composition of tree rings, researchers can determine the age of trees and gather information about past climate patterns such as temperature, precipitation, and growing season length. This data helps scientists create historical climate records and understand long-term climate trends.
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