how we know when earth's birth ?

2007-01-05 01:52:42 · 2 answers · asked by bilbo 1 in Science & Mathematics ➔ Astronomy & Space

2 answers

There are many theories to this. If you really want to know go to the search engines and you will see the theories. No one really knows, they can or will not all agree. Hope this helped.

2007-01-05 02:05:25 · answer #1 · answered by Blues Man 7 · 0⤊ 0⤋

google

2007-01-05 01:55:56 · answer #2 · answered by Anonymous · 0⤊ 0⤋

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