Answer:
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.
Answer:
Prognosis. (Prediction by the medic about the disease).
Explanation:
It is a prediction, an hypothesis of how the disease will affect the patient during the time. Pro is referred as the <em>previous</em> and gnosis means <em>knowledge </em>so it is a prior knowledge, although not 100% sure.