The H1N1 flu virus is common in ________ but rarely transmitted to humans until recently
A) pigs B) waterfowl C) mosquitoes D) poultry E) birds
A
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Which of the following is NOT a current economic challenge facing Russia?
A) widespread government corruption B) crop failures due to climate change which require Russia to import large amounts of food C) economic sanctions placed on Russia by the United States due to its belligerence with respect to Ukraine D) the lack of economic diversity in exports outside of energy exports E) capital flight to foreign banks located beyond the Russian Domain
Plate tectonics "explains" certain climatic changes by showing that these changes may be relatedto:a
mountain building b. the amount of CO2 and H2O released into the atmosphere c. the paths taken by ocean currents d. the position of the continents e. all of the above
What formed this valley's distinctive "U" shape?
A) river erosion B) wind erosion C) dune movement D) glacial erosion
The largest numbers of Europeans migrated to the United States primarily because of
A) the Industrial Revolution which displaced rural workers and precipitated population growth. B) decreased political stability as European countries were wracked by revolutions. C) political and religious freedom. D) the Homestead Act. E) government policies seeking to "Europeanize" society.