Which of the following does NOT improve local food supplies?
A) spread of disease
B) trade
C) transportation
D) storage
Question 2
Quinoa and amaranth are
A) African names for millet and sorghum.
B) newly developed kinds of fertilizer.
C) sources of illegal drugs.
D) traditional South American grains, dating back to the Inca, that are now being grown in new places and enjoying renewed popularity.