Which is true about the "Denisovans"?
a. They were from Central Europe.
b. They may be a different branch of recent human evolution.
c. They are the predecessors of Neandertals.
d. They are closely related to all H. sapiens.
e. They share about 4-5 percent of genes with Europeans.
b
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Which of these crops, introduced by the Portuguese, significantly increased the productivity of farming in Africa?
a. Corn and manioc b. Peanuts and papaya c. Sweet potatoes and pineapples d. Cotton
Which of the following is NOT correct about multinational corporations?
a. They sometimes have assets and power greater than those of many governments of lesser developed countries. b. They send most of their profits back to their home country. c. They sometimes directly exploit lesser developed countries. d. They work to better develop the infrastructure of less-developed countries so that they can one day compete economically. e. They control approximately one third of the world’s assets.
Invention of the wheel, use of fertilizer and draft animals, and irrigation are all innovations that have made agriculture possible
a. True b. False Indicate whether the statement is true or false
Ethnographic research on the spread of HIV/AIDS has shown that:
a. Ideas about disease transmission are not affected by cultural views. b. NGOs have no interest in understanding how the cultural sphere interacts with human health and economic systems. c. Governments are providing information on disease prevention that is non-biased and unaffected by cultural practices. d. Behavior does not play a role in disease transmission. e. Cultural systems and values can impact efforts to improve human health.