Correct. The answer is a. The inexpensive nutrition offered by the potato played a key role in sparking European population growth in the eighteenth century.

Incorrect. The answer is a. The inexpensive nutrition offered by the potato played a key role in sparking European population growth in the eighteenth century.

Correct. The answer is c. For example, many Europeans believed that tomatoes and potatoes were unfit for human consumption and possibly poisonous.

Incorrect. The answer is c. For example, many Europeans believed that tomatoes and potatoes were unfit for human consumption and possibly poisonous.

Correct. The answer is c. In addition to rice, European settlers introduced native peoples of the Americas to wheat, lettuce, and onions.

Incorrect. The answer is c. In addition to rice, European settlers introduced native peoples of the Americas to wheat, lettuce, and onions.