The CPI takes a constant basket of goods and sees how the price changes from year to year. If the price of the basket of goods increases, then there is price inflation. If the price of the basket of goods decreases, then there is deflation.
Copper and tin mainly make up bronze but other elements include phosphorus, manganese, silicon and aluminium.
Because they are both metals. Copper is one of the elements that makes bronze. The other element is iron. So bronze is an alloy. An alloy is a mixture of two or more metals. Tâ¦herefore, they are iron and copper. So copper and bronze are mostly different, except the fact they are both metals.