Writing Homework Help

I’m working on a history question and need an explanation to help me learn.

Drawing on the materials assigned for this topic (map and videos) answer the following questions, a short paragraph for each.

1. In your own words, define the Colombian Exchange and give three examples of things that were exchanged, as well as some indication of the significance of each of these exchanges. Pick at least one animal and one plant among your three choices.
2. Prior to 1492, the Old World had many more diseases than the New World. Why might this have been the case? How might farming or other food production techniques have influenced what diseases there were on both sides of the Atlantic?
3.