Pigs can transmit all of the following diseases except:
a. trichinosis
b. anthrax
c. tuberculosis
d. smallpox
d
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Organic materials can only be preserved in extremely dry or cold conditions, such as in dry cave or a glacial environment
Indicate whether the statement is true or false
Which of the following statements about U.S. racial categories is true?
A. U.S. racial categories are applied to endogamous breeding populations. B. U.S. racial categories are biologically valid, as demonstrated by the Phipps case in the 1970s in Louisiana. C. U.S. racial categories are based on global racial categories that vary little among societies. D. U.S. racial categories are based on genetics, whereas Japan's are based upon undemonstrated descent. E. U.S. racial categories are culturally arbitrary, even though most people assume them to be based in biology.
The meanings attached to any given word in all languages are totally _______
a. specific b. arbitrary c. culturally-based d. displaced e. organic by nature
Traditional agricultural systems are surprisingly much more efficient in terms of energy than modern mechanized agriculture
a. True b. False