A hole is a place where an electron is missing. If an electron moves into that places, the electron will be missing somewhere else - the hole has moved along.
They eat it.
Of course they do, they come out of their holes they dug, to live in, on Groundhogs Day.
try having one person light a small firecracker at one end of the hole and another with a baseball bat or a cage on the other side of it
Yes
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