2 ms·
Minus the petri dish. But as far as we know (as far as we have definitive proof for, other theories aside), life has only started once in 4.5 billion years.
by SamBam 4y ago
Minus the petri dish. But as far as we know (as far as we have definitive proof for, other theories aside), life has only started once in 4.5 billion years.