According to a United Nations University report, 62% of all _____ drugs have been derived from the discoveries of medicinal plants.
A. cancer
B. malaria
C. typhoid
D. antibiotic
E. cardiovascular
Answer: A
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Globalization in the form of the new production of irrigated cash crops brought this change to the rural Sudanese village studied by geographer Cindi Katz
A) Children were required to attend school. B) Subsistence crops were no longer grown. C) The traditional roles and activities of boys and girls changed. D) Wal-Mart
What is the definition of strain?
A) a type of normal stress where the forces are equal in all three dimensions B) a force applied perpendicular to a surface C) deformation of rock as a result of an applied stress D) force applied parallel to a surface
The best way to block Asian carp from moving into the Great Lakes from the Illinois River would be the closing of locks and dams in and near Chicago; however, these waterways are not being closed because
A) Republicans in the U.S. Congress are concerned about taxes on the rich. B) as major transportation links for the region, they are important for the economy of St. Louis. C) too many Asian carp are already clogging the locks and dams and cannot be removed. D) as major transportation links for the region, they are important for Chicago's economy. E) the economies of neighboring states depend on the Chicago-area locks and dams.
The first wildlife refuge established in the United States was
A. Arctic National B. Pelican Island C. Rocky Flats D. Baskett Slough E. Yellowstone