Just so we're all on the same page, you can disagree with the belief but still find it reasonable for someone else to think that way.
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There's been carbon dating done on dinosaur fossils that yielded traces of Carbon-14 (which should have decayed long ago), and there's species that have remained unchanged since that era. It's a reasonable belief, even if I don't support it completely. [spoiler]Also, birds. Creationism doesn't let you eat the decendants of dinosaurs, now does it? [/spoiler]