Which is the single greatest obstacle to slowing climate change?
A. the growing population of the poorer nations in the world
B. having scientists decide on a definition of climate change
C. proper climatic changes
D. a lack of data portraying the effects of climate change
E. meeting energy needs, particularly in energy-hungry countries such as the United States, China, and India
Answer: E
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Agricultural populations may be more vulnerable to infectious disease due to their __________
a. higher populations b. sedentary lifestyle c. limited access to a variety of water sources d. all of these
The four subdisciplines of anthropology are __________
A. ethnology, classics, physical geography, and geology B. primatology, ethnohistory, paleontology, and archaeology C. biological anthropology, archaeology, cultural anthropology, and linguistic anthropology D. classical anthropology, prehistoric archaeology, evolution, and ethnohistory
If a perfectly competitive firm is producing an output level that sets its marginal revenue equal to its short-run marginal cost (MR = MC) and its long-run marginal cost (MR = LMC), the firm ________.
A) is maximizing its short-run profit, but not its long-run profit B) should increase production to maximize its short-run and long-run profit C) is maximizing its long-run profit, but not its short-run profit D) is maximizing its short-run and long-run profit
What are three key attributes related to human uniqueness?
a. eating, sleeping, and watching television b. increased hunting, speech, and dependence on domesticated food c. hunting, avoiding predators, and tool making d. sleeping, hunting, and making clothing