Relacionar Columnas Money and business 1Versión en línea Unit 4 Social Science 5 por M. Jesús Sciences 1 Banknotes were invented... 2 Money is... 3 Now credit cards are... 4 Camels, shells and grain... 5 We use money to... often used instead of money. about 1300 years ago in China. were once used as money. any object that has value. buy and sell products.