Which overlay method combines the area extents from both input layers?
A. Intersect
B. Identity
C. Symmetrical difference
D. Union
Answer: D
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Which of the following have been tried by 20th-century states to eliminate or minimize the potential for fragmenting or breaking apart?
A) decentralization of power B) consolidation or centralization of power C) destruction of ethnic minorities D) increased autonomy to ethnic minorities E) decentralization of power, consolidation or centralizing of power, destruction of ethnic minorities, and increased autonomy of ethnic minorities
The three largest civilizations thriving in Latin America when the Spanish and later Portuguese arrived were the Aztecs, Mayas, and the:
A) Cherokee B) Sioux C) Inca D) Guarani
Why was corn an important crop in the Inland South during the 19th and early 20th century?
A) It was sold for export to countries with food shortages B) It was used as feed for draft animals that plowed the fields C) It was used to make distilled alcohol sold all over the United States D) It was used to make grits, a staple food.
Briefly describe some of the differences between cetaceans of the Suborder Odontoceti (toothed whales) with those of the Suborder Mysticeti (baleen whales)
What will be an ideal response?