Plants were spread from one continent to another.
· animals and diseases were introduced to new areas.
· populations were destroyed by foreign contact.
· the process began in the late 15th century.
all of these are describing
a) the silk roads.
b) scientific discovery.
c) the columbian exchange.
d) circumnavigation of the world.

Plz which of the following statements about life in europe during the middle ages is not accurate. a. by the middle ages the only unifying factor in europe was christianity. b. most people lived in rural areas and worked on farms. c. priest, monks and church officials were virtually the only people in europe who could read and write d. most people lived in cities or towns and worked as skilled artis most people lived in cities or towns and worked as skilled artisans.