4. Greeks began to make coins from (wood; metal)

Metal

Explanation:

present day Turkey) who were the first to invent and use silver and gold coinage (around 650 BC). From Lydia, its usage spread throughout the Greek realm and soon cities such as Aegina, Corinth, Rhodes and Athens were minting their own coins, according to their own standards.

i think the answer is c

explanation:

c. print money only as needed

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: