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Tree Rings, Dating and Changing Climates | DVD | CMI
ID: 9781921643002 $12.99Add to cartIn this video, Tree Rings, Dating and Changing Climates – Geoff Downes looks at the underpinning science in linking changes in wood structure to changing climate. (High School–Adult) 51min.
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Rocks & Ages: Do They Hide Millions of Years? | DVD | CMI
ID: 9780949906489 $12.99Add to cartDr Silvestru explains the assumptions that govern what evolutionary geologists ‘see’ in the rock record.