2. 1 to change the light bulb, the other to take pictures.
Only one. They just hold it still and wait for the world to revolve around them.
He ch-ch-ch-ch-ch-changes. (Sorry if repost)
Two. One to change it and one to put some chips with it.
None**. They operate in the **dark**.
Shellfies
I don't know. Let me think. *pictures self riding jet ski made of bones through space*
A cross-wok.
So they can do math
1 or 2 1... Or 2 1 or 2