However, Acristavus does not have a crest; the top of its skull is flat, while Brachylophosaurus has a large flat paddle-shaped crest that completely covers the back of the top of its skull. This year, Altitude Gallery E. Name required. RATE is an admission that radiometric dating works. In the video still below can you describe areas of possible convergent evolution? The other bones in its skull are very similar to those of Acristavus and Brachylophosaurus, Freedman Fowler said. But the most likely source for carbon in these samples is laboratory contamination.
Radiometric dating calculator
The YECs still like to point to oddities such as carbon in coal which is explainable in an old-Earth frameworkbut overall they acknowledge that a vast amount of radioactive decay has occurred in Earth history, that radiometric dates are usually consistent with standard interpretations of Earth history, and that geoscientists have valid means of determining whether or not parent or daughter isotopes have been added or removed from samples. This is another example of YECs using a distorted version of uniformitarianism by extending the present blindly into the past as the foundation for their young-Earth arguments. Why Shop Small? Some of the ventures continued on as real businesses even after the class project had concluded. Visit our Restaurant Guide. Or, it can be downloaded for free from the Web at http: This way, we can see how certain structures have changed over time.
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