Torillian on 28 April 2009
If you don't think about something happening on Earth specifically but instead think about the plethora of planets that are out there in the universe then it does start to feel like life on one of them was inevitable just based on random chance.
Thinking about what exactly it took for Earth to start life is a bit more difficult, but at a certain point of variety and concentration of certain chemicals it does seem rather inevitable that over time life would emerge.
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