I think the important thing to understand with this is that while we don’t know, the amount of time it took this to happen is difficult to full appreciate and comprehend. Scientists believe the big bang happened about 14 billion years ago. The first, most basic life forms are believed to have appeared 4 billion years ago. That’s roughly ten billion years of chemical and environmental dice rolls to finally land on whatever magic combination was necessary for life.
10 billion years is an insanely long timeline for random things to happen that are otherwise completely unexplainable.
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