But now Professor Gerta Kellera, a geologist at Princeton University, New Jersey, says fossilised traces of plants and animals dug out of low lying hills at El Penon in north east Mexico show this event happened 300,000 years after the dinosaurs disappeared.
Prof Keller believes instead that volcanoes might have killed the dinosaurs."
1 comment:
My grandson will be disappointed. He's still hoping to run into one.
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