Californians don't screw in light bulbs, they screw in hot tubs and infinity pools.
Five. Germany to start it, France to try and then give up almost immediately, Italy to start, give up, and try again from the other side, America to finish it and claim credit for the whole thing, and Switzerland to sit in the dark and pretend that nothing happened.
Two: one to get it 95% done, and the second to give it the twist at the end.
She doesn't, she just holds it in the socket and waits for the world to revolve around her.
Zero. You can't fit a hairless ten-year-old inside a light bulb.
I don't know and this is not a laughing matter.
Add your laundry.
A self-cleaning coven.