What is a parent-isotope?
a. a radiometric dating technique
b. a calibrated chemical stratum
c. the original radioactive isotope in a sample
d. the isotope that is produced as the result of radioactive decay
Answer c
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Which of the following best describes the changes in subsistence practices of groups during the early and middle Holocene?
a. initial systematic exploitation of fish and fowl resources b. primarily associated with hunting megafauna c. intensive hunting, fishing, and gathering d. a decreased emphasis on the importance of plant foods in the diet e. a switch away from marine resources as sea levels rise
The rise in female employment in the United States, especially in professional careers, when coupled with ________, has dramatically increased household incomes in the upper classes. This pattern has been one factor sharpening the contrast in household income between the richest and poorest populations of Americans.
A. exogamy B. sororal polygyny C. endogamy D. serial monogamy E. homogamy
What are the basic differences and similarities between horticultural and foraging populations? Indicate reasons for the contrasts.
What will be an ideal response?
The increase of text messaging has greatly affected culture by:
a. Increasing the generation gap of communication. b. Decreasing young peoples’ ability to communicate in academic writing. c. Reduced the time spent having intimate, detailed conversations. d. Leading to misunderstanding in intended meaning of communication. e. All of the above.