If dinorsaurs appereared on Earth about 225 mlillion years ago, about how many years ago did they disappear?

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They lived for 160 years too.

2006-10-23 15:10:40 · 3 answers · asked by Anonymous in Education & Reference ➔ Homework Help

the earth is only 6,000 years old...

2006-10-23 15:18:48 · answer #1 · answered by OS 1 · 0⤊ 0⤋

I think the mass extinction event occurred about 65 million years ago.

2006-10-23 22:18:41 · answer #2 · answered by chocolahoma 7 · 0⤊ 0⤋

60 million years ago

2006-10-23 22:13:28 · answer #3 · answered by Homer Habilius III 2 · 0⤊ 0⤋