Different countries have used different metals and designs for their money. The first coins in England were made (1)_____from___ tin. Sweden and Russia used copper to make their money. Some of the Swedish copper money (2)_______ more than 30 pounds. It must have been inconvenient. When people wanted to (3)_______ a big bill, they had to use an ox-cart. After 4)_______ many different metals and sizes, countries began to make coins of gold and silver. The (5)_______ of the coins depends upon the weight of the metal used. Today few coins are (6)_______ their weight. But even gold and silver coins were inconvenient if you had to buy (7)_______ valuable. Again the Chinese thought of a way to improve money. They began to use paper to represent the( 8)_______ amount of money in metal. The first paper money looked more (9)_______ a note from one person to another than the paper money used today. Paper money is so convenient that it is (10)_______ used more and more.