how many years ago did dinosaurs appeared
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7
Answer:
66 million years ago
Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many millions of years before the first modern humans, Homo sapiens, appeared. Scientists divide the Mesozoic Era into three periods: the Triassic, Jurassic and Cretaceous...
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0
Answer:
I think 66 million years ago. I'm not sure.
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