Money in the United States before 1970 came in or . A)silver certificates or gold certificates
B)gold certificates or iron certificates.
C)coins or gold bars.
D)green or red paper.

For America's first 70 years, private entities, and not the federal government, issued paper money. Notes printed by state-chartered banks, which could be exchanged for gold and silver, were the most common form of paper currency in circulation

Explanation:

I was learning this earlier today, so I'm not sure if this is correct. But if it is I'm glad I could help, but if it's not... sorry (◞‸◟ㆀ)

ba geologist finds four sedimentary rock she determines that no geologic events have shifted the layers she labeles them a,b,c,dbfrom top to bottom

2b2t

explanation:

2b2t