Answer:
1. Paper bills were first used by the Chinese, who started carrying folding money during the Tang Dynasty (A.D. 618-907) — mostly in the form of privately issued bills of credit or exchange notes — and used it for more than 500 years before the practice began to catch on in Europe in the 17th century.
2. Comparatively, paper currency is easier to store than coins as it requires less space. There are a greater number of coins available in the world due to their long existence throughout history. Paper currency tends to be more expensive to purchase due to higher face values.
Step-by-step explanation: