Which of the following diseases have been largely eradicated by the use of vaccines?
A) rubella
B) polio
C) smallpox
D) All of these have been largely eradicated through the use of vaccines.
E) None of these have been largely eradicated through the use of vaccines.
D
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Aristotle's view of natural laws is best understood by
A. reasoning. B. patterns. C. mathematics. D. experiment.
The figure above is an oblique Google earth image from southwestern North America looking approximately north. The view is approximately 50km across. The area is a classic area of normal faulting.
A 1990 ban by the United States on the import of tuna and shrimp that were caught in nets that also killed dolphins and sea turtles was
A. adopted by all of the industrialized nations in Europe and North America. B. overruled by the World Trade Organization resulting in the continued slaughter of dolphins and sea turtles. C. expanded to prevent the killing of whales for research. D. influential in getting many nations to better regulate their fishing practices.
The generation of alternate fuels from manure and cellulosic waste products
A) increases our consumption of fossil fuels. B) reduces costs to a company by using waste products. C) increases the production of commercial waste products. D) eliminates the production and release of carbon dioxide into the atmosphere.