No, after the flood, the atmosphere had changed so much (it was the first time raining[during that time]) that dinosaurs couldn't keep up with the change, therefore, they died.
Dinosaur: Man, life in the late cretaceous sure is tricky. I can only hope I live long enough to reproduce, and help ensure the continued survival of my species for millions of years to come; An asteroid approximately 1 km in diameter about to hit the Earth with the force of more than 100 million Hiroshima bombs:
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