Explain the causes of the Columbian Exchange and its effects on the Eastern and Western Hemispheres.

Overpowering of the Americas by Christopher Columbus, who established a bond between the old and new world which resulted in interactions between American, European, and African cultures. However, this greatly hurt the natives. In the Western Hemisphere, sugar, wheat, rice, okra, and coffee led to deforestation and soil depletion from growing same crops repeatedly, horses, pigs, rats led to overgrazing and soil erosion and the spread of disease, smallpox, measles, plague, influenza led to death of native populations. Although in the Eastern Hemisphere, potatoes, maize, tobacco, cacao, sugar led to better nutrition, increased population and greater wealth, turkey and llamas led to diverse diet and new textile. They also found a treatment for Maleria.

i think the answer is c) ability to survive in high salinity.

hope it