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Biology 7 Online
OpenStudy (anonymous):

Coins were developed as a medium of exchange because other items like cows, grain, and land were more difficult to move from place to place. True False

OpenStudy (anonymous):

That definitely sounds true and it may be the primary reasons for the switch!

OpenStudy (anonymous):

Also note you're in the biology category, people might not be as ready to answer these questions on here

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