I mentioned the big bang-o because round earthers like to believe that all the spinning and whirling they believe in is all connected with how everything got its start, and was subsequently formed. Mostly they consider evolution to be necessary after a big-bang, since within all that heat and vibration obviously there would be nothing like a carbon-based life form that needs a temperature from 0-50 C day to day. I suppose God could put some life forms down after the big-bango, though.
Feel free to define what you mean by, all connected. I don't believe that anything is connected any more than you do. Only that we have the same origin and are made of the same material. At least, I assume you believe the Christian god created everything, and that plants/animals are generally made of atomic elements from what you say and basic knowledge.
Again, I'd be more than happy to discuss the merits and failings of evolution and abiogenesis with you in Science and Alternative Science, since that's not the topic of the thread.
The heat and vibration of the big bang would certainly occur, it is simply a fantasy that there would be none of that. It may not be vibration in the medium we are expecting or familiar with, but it is inevitable, and it would have created sympathetic vibration patterns which would thwart mixing.
There was all of three substances at the Big Bang; hydrogen, helium, and small amounts of lithium. With gravity the 'mixing' is easily explained as accretion and a result of huge heats.
Added to this, the only reference I can find to sympathetic vibration makes only talks about how one thing vibrating can cause another nearby thing to vibrate. The same makes no mention of why, for any reason, these vibrations would cause gasses would sort themselves. Especially when so many other forces are in effect. This is why I asked you to elaborate, as I'm not sure you mean what I think you mean.
Now, since this is all irrelevant to the thread, why is the Earth flat, Odes?