The Mousterian tool tradition dates back to:
a. 125,000 years ago.
b. 10,000 years ago.
c. 500,000 years ago.
d. 2.5 million years ago.
e. 50,000 years ago.
ANSWER: a
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The frequency of the O allele is almost 100 percent in
a. Northern Europeans. b. Chinese. c. Eurasians. d. African blacks. e. South American Indians.
During the Upper Paleolithic period, modern Homo sapiens migrated throughout the world, including North and South America and Australia
Indicate whether the statement is true or false.
An increasing prevalence of the disease __________ is attributed to the construction of dams and irrigation systems in many parts of the world
A) arthritis B) measles C) schistosomiasis D) influenza
Refer to the table below. In the short run, A = 30 and B = 45, but you expected the price of Input 2 to decrease. If the price of Input 2 decreases, which of the following is true?
Suppose you are the manager of Super Suds, a large manufacturer of laundry detergent that uses two variable inputs and one input that is fixed in the short-run.
A) You should buy more of Input 1 and less of Input 2.
B) You should buy more of Input 2 and less of Input 1.
C) You should buy less of the Fixed Input.
D) You should make no changes.