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2 answers

secondary vegetation tells us something ,but over time (and what time 100 years ,1000,one million)it becomes impossible to know
you have to put a calender into this question.

2007-03-19 08:44:04 · answer #1 · answered by Anonymous · 0 0

Seeing as how the earth has been around for 4.5 billion years, I would say that is impossible to prove.

2007-03-19 11:13:15 · answer #2 · answered by Gene 7 · 0 0

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