An unintended consequence of creating hybrid seeds through artificial pollination is
A. increased manpower requirements.
B. lower crop yields.
C. genetic mutations.
D. greatly reduced genetic variety.
Answer: D
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An American civilization that extended for more than 3,500 miles north to south and that was ruled in a more centralized fashion than any contemporary European kingdom was the
A) Toltec kingdom. B) Inca Empire. C) Aztec kingdom. D) Mayan civilization. E) none of the above.
The nobles lost power relative to other groups in the wake of the plague because they were the ______
A. largest landowners B. most devout Christians C. most malnourished D. most influenced by the famines of the early 1300s
Which of the following groupings of world cultural zones developed the earliest?
a. Indian, Islamic b. Chinese, Indian c. Islamic, Western Christian d. Chinese, Islamic
In the English colonies, Jews
A. enjoyed considerable toleration. B. could not practice their religion openly anywhere. C. had their largest community in Rhode Island. D. could not vote or hold office. E. did not live in most of the colonies.