________are very tiny blade tools
a. Macroliths
b. Megaliths
c. Miniliths
d. Microliths
d
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Refer to the figure below. Suppose that at the same time as the news report, you learn that the cost to feed your chickens has fallen. The news report and the change in feed cost will shift the demand curve to the ________ and the supply curve to the ________.
You are a farmer who raises chickens and sells the eggs. A recent news report announced that eggs have a positive health benefit of improving immunity systems in humans.
A) left; right
B) right; left
C) left; left
D) right; right
Which of the following is NOT true regarding potassium-argon and argon-argon dating methods?
a. The more argon-40 in a sample relative to potassium-40, the older the sample. b. They are as precise as radiocarbon dating. c. Their maximum age range is theoretically the age of the earth. d. They are useful for dating the age of the formation of a particular layer of volcanic sediment. e. They are based on the fact that radioactive isotopes decay at known rates.
____________ is considered to be Peru's first highland civilization because of its stratified social and political organization and its achievements in metallurgy, weaving, monumental architecture, irrigation systems, and stone culture
a. Inca civilization b. Chavín c. Hopewell d. Chillicothe e. Andean Culture Complex
Which of the following is not a form of political organization?
a. Band b. Tribe c. Chiefdom d. Group e. State