Anatomically modern Homo sapiens fossils from Africa have been dated to about _____ years ago
a. 195,000-80,000
b. 100,000-70,000
c. 200,000-100,000
d. ?65,000
e. 35,000
c
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Which is the single greatest obstacle to slowing climate change?
A. the growing population of the poorer nations in the world B. proper climatic changes C. having scientists decide on a definition of climate change D. meeting energy needs, particularly in energy-hungry countries such as the United States, China, and India E. a lack of data portraying the effects of climate change
The first radiometric method of dating, developed by Willard H. Libby in the late 1940s, was:
A. amino acid racemization B. fission-track dating C. radiocarbon dating D. electron spin resonance (ESR) dating
Which of the following statements is true of state organization?
A) A state may include more than one society, and a society may contain more than one state. B) A state may contain more than one society, but not vice versa. C) A society may contain more than one state, but not vice versa. D) States and societies are unrelated terms.
A fundamental principle of language is that:
a. The more phonemes a language has, the more different ideas can be expressed in it. b. The more material goods a culture has, the more talkative its members will be. c. Oppressed groups rarely contribute words to the language of their oppressors. d. Language always reflects the history of those who use it. e. The more primitive a culture, the more likely its members are to be dependent on senses such as smell and hearing rather than language.