Answer:
I am black when you buy me red when you use me when I turn white you know itβs time to throw me away.
I am black and white and full of fuzz
When you take away the whole from me there is always some left.
Iβm hard as a rock and as light as a feather. Iβm passed on to one another. Poor people need me and rich people have me.
I'm at the head of an elephant and at the tail of a squirrel
What did the piece of wood say when he saw the screwdriver and screws approaching?