A Swiss Physician by the name of Friedrich Miescher was the first to discover that DNA is a distinct molecule and called it nuclein however he was not the first to discover DNA he just called it nuclien, the first person to discover DNA was Francis Crick.
Answer:
there were a lot of opportunities for jobs in urban areas, especially when big businesses started to come along, and demand for more educated/experienced workers declined.
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When items are scarce the supply goes down and the and the demand remains so the producers make more money
