None *et al.*
4 no 5 no 6 no its really 4 - not sure, better flip a coin to get the right number
Two. One to hold it in the socket and the other to drink until the room starts spinning!
Well it depends on what you mean by change.
None, PETA can't change anything.
Through ex-spear-i-mints.
Because, if you can't helium or curium, you'd barium!