Copper is not cheap. Tin or zinc can be added to extend it, but that makes it brass or bronze. The alloy has a lower conductance than the pure metal, so it is not done in wiring manufacturing.
Copper is used to make a blue firework!
Mineral color is caused by the absorption, or lack of absorption, of various wavelengths of light. The minerals that are used to make the color bright green are copper, nickel and barium.
copper!
Aluminum, iron, and copper.
aluminum, copper, gold, iron, and petroleum products
Copper
You add copper to make rose gold to make it pink!
Sulphuric acid, because "sulphuric" is what gives copper sulphate it's name
they make copper, aluminium, energy, diamonds and minerals and iron ore
They have added minerals in it to make the water taste better.
When copper carbonate is added to sulfuric acid, it produces copper sulfate, carbon dioxide gas, and water. The balanced chemical equation is: CuCO3 + H2SO4 → CuSO4 + CO2 + H2O.
Because at one time copper was plentiful and cheap. This is no longer the case and new plastics are taking the place of many copper pipes.