User:Iroberts397/sandbox

Copper Reserves- World production of copper amounts to 12 million tonnes a year(2003) and exploitable reserves are around 300 million tonnes, which are expected to last for only another 25 years. About 2 million tonnes a year are reclaimed by recycling. Copper can be found in the earths crust at 50 p.p.m. and 20 p.p.m. in soils. Copper is also found in the human body with 1p.p.m. in blood and average of 13 p.p.m. in bone and tissue.