Hot air trapped underneath that forces it's way through. A good example of that would be the bubbles in pancakes.
I think yess yes you could dig a first hole then you could leave some space and dig a second holes around it
To allow air in and out so the skin can breath.
yesterday (by the way, I'm being sarcastic)
Scientists have not yet figured that out. They are trying to figure out where the matter that gets sucked into the black hole goes, which as I would imagine is what is on the other side of a black...