Which of the following is an example of the columbian exchange?

a. corn in south america
b. cattle in the americas
c. wheat in europe
d. horses in europe

The answer is A. Corn In South America.

Corn was very crucial to the Colombian exchange for farmers could grow corn nearly anywhere. Farmers received much more money when they traded corn.

The correct answer is B. Cattle did not exist in the Americas until the colombian exchange. Corn was already in the America’s and was later introduced into Europe. Horses and wheat were already in Europe prior to the colombian exchange.

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation:

- "it was a failure that was an embarrassment for the kennedy administration."

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