Gold is melted and used in other things. I saw an item on the history channel that made the statement that all gold is recycled, so your 14K gold ring could have gold from something made a hundred years ago.
it is brought to the middle of the ocean and dropped off into the gold zone (the gold zone is a dumoing site for used up or no longer needed gold)
at a Nintendo event (which no longer happens) or by trading with another game
If it is too worn to be used or repaired, it must be buried.
the cell won't have water when it is needed
they are broken down. Cells can make certain molecules when needed for a certain function. -Novanet
The body's blood cells cannot absorb the sugar/glucose needed to give energy.
Gold earrings will most likely last longer than silver being that gold does not tarnish.
When molecules are no longer needed, cells can break them down through processes like metabolism or excrete them from the body, depending on the type of molecule. This allows the cell to maintain homeostasis and prevent accumulation of unnecessary substances.
Spain needed gold because there mines were running out of gold
After birth, the placenta is expelled from the mother's body in a process known as afterbirth. It is no longer needed as the baby is no longer connected to the mother's blood supply. In some cultures, the placenta is traditionally buried or disposed of in a specific way.
Oklahoma land rush
It is no longer magnetic.