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Tree Rings, Ice Cores, and Varves
Introduces three methods scientists use to determine the absolute age of a material: tree rings, ice cores, and varves.
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Evidence About Earth's Past
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Lord of the Tree Rings
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In this video, David Stalhe shows how he studies tree rings and what they can tell about history.
SCI.ESC.511 (Tree Rings, Ice Cores, and Varves - Earth Science)
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