I need to see more of the question to answer
Answer:
silver rings and gold pieces shaped like sheep, centuries before minting coins out of the metals
Explanation: Ancient Egyptian society used different forms of money before using coinage in the first millennium B.C. The Egyptians used non-coin forms of silver and gold currency, such as silver rings and gold pieces shaped like sheep, centuries before minting coins out of the metals
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
