Damaged or withdrawn coins are returned to the mint via the banks and are melted down under a controlled and secure environment.
New blanks (or planchets) are then made from the recovered metals.
The answer: the carbon cycle and nitrogen cycle
Yes, iridium can be recycled and must be recycled because is very rare and expensive.
Some expensive or rare mineral salts must be recycled.
As energy and matter flow through an ecosystem, matter must be recycled and reused. Substances such as water, carbon, nitrogen, calcium, and phosphorus each pass between the living and nonliving worlds through biogeochemical cycles.
How can we respond to global changes through science??We must use energywe must plant new treeswe must use solar energy car's or yung mga kotse na pinapatakbo ng solar enegy....
Mercury (as metal) can and must be recycled.
Yes, and they must be recycled.
energy
energy
energy
The object through which the force is exerted must also change.
The object through which the force is exerted must also change.