Which of these objects would most likely be made from obsidian?
A) mortar
B) digging stick
C) mirror
D) atlatl
C) mirror
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If a monopolistically competitive firm is producing 1,200 units of output and the marginal revenue from producing the 1,200th unit of output is $5 and the marginal cost is $4.50, which of the following is true?
A) The difference between marginal revenue and marginal cost (MR - MC) at the 1,200th unit is negative. B) The firm should decrease production to maximize profit. C) The firm maximizing profit. D) The firm should increase production to maximize profit.
Witchcraft accusations are often aimed at
A. socially marginal people. B. prominent religious leaders. C. individuals who are widely respected in a community. D. upstanding citizens. E. powerful politicians.
Regarding the Original Study, "Whispers from the Ice," which of the following statements best represents the type of work that occurred in Ukkuqsi, near Barrow, Alaska?
a. Archaeologists excavated a prehistoric Inupiat graveyard and were forced to involve official cultural resource managers to help them. b. Paleoanthropologists were asked to join in the excavation because the human remains found at the site were from the Paleozoic era. c. Ethnographers worked with archaeologists and paleontologists as a team to fully excavate and study the wider Barrow region. d. Archaeologists worked with the nearby village elders to better understand what they were excavating.
The ________ system is involved in the immune response
a. Xg b. Rh c. MN d. ABO e. HLA