What did the Eurpeans exchange in the Columian Exchange?

All sorts of things. Lots of animals for one. Pigs, horses, sheep, cattle(cows), goats etc. Plants and crops were the other big thing. Potato and corn were the biggest. along with tomato beans...

What is exchange value and medicine of exchange

Naksan-Some of the exchanges of the Columbian Exchange were the horses, potatoes, tomatoes, corn, pepper, eggplant, sheep, llamas, alpacas, guinea pigs, pigs, turkeys, chocolate, peanuts, pumpkins,...

I had some similar problems some days ago but I couldn't solve it immediately. What is more only today I have found a not bad solution for this proposition, which would aid too.

Foreign exchange refer to the act of exchanging one country's currency by a different country's currency. The foreign exchange rate represents the price of one currency in relation to another...