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2 answers

Wikipedia says estimates range from as much as 50 million years to as little as 17,000 years.

2006-09-18 02:45:39 · answer #1 · answered by campbelp2002 7 · 0 0

10 million

2006-09-18 00:33:07 · answer #2 · answered by scoop405106 1 · 0 0

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