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Tree rings tell environmental stories. The history of past chemical spills can be read by dendrochemistry. http://t.co/YXQl3OGj
Tree rings tell environmental stories. The history of past chemical spills can be read by dendrochemistry. http://t.co/YXQl3OGj
Tree rings tell environmental stories. The history of past chemical spills can be read by dendrochemistry. http://t.co/YXQl3OGj