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If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

True or false. repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.

This anterior tooth has a single root and sharp incisal edges. it has mamelons upon eruptions. this tooth is a a. maxillary central incisor. b. mandibular central incisor. c. mandibular canine. d. maxillary lateral incisor.