in many ways.
B) It is delicious but inexpensive.
C) It gives higher yields than other grain crops.
D) It grows easily in various conditions.
19.A) Fried potatoes B) Tomato juice.
C) Sweet corn D) Chocolate beans.
20.A) They led to the discovery of America.
B) They made native American foods popular.
C) They brought great wealth to Spain.
D) They made native American life styles wellknown.
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