The core of the tooth is made of ________
a. dentin
b. bones
c. ivory
d. tissues
a
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The constraints of the narrow, bipedal pelvis on the width of the birth canal may be an evolutionary incentive for __________
a. increased pair bonding b. the birth of more fully developed infants c. shorter gestation periods d. socially assisted birthing
Which statement below describes the language attitudes of Paraguayans?
A There is a positive attitude toward Guarani because it is perceived as a symbol of Paraguayan nationalism. B There is a negative attitude toward Guarani because it is perceived as unsophisticated. C There is a negative attitude toward Spanish because it is associated with international culture and literacy. D Both A and B. E Both A and C.
One use of Oldowan choppers was
A) as a hunting tool B) as a cultural marker of affiliation with a particular social group C) to fell trees for simple shelters D) to bash open bones to get at the marrow inside E) defense against predators
A systematic field of study that uses experiment, observation, and deduction to produce reliable explanations of phenomena is
A. science. B. religion. C. culture. D. folklore. E. humanity.