The mass of a proton is approximately which of the following?
A) 12 g
B) 1 g
C) 12 amu
D) 1 amu
D
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Which of the following statements is true regarding HIV/AIDS in Africa?
A. The incidence of infection is higher in rural areas than in urban places. B. It is spread primarily by military personnel, migrant workers, and prostitutes. C. AIDS spreads quickly across the continent because mosquitoes carry it. D. Only Southeast Asia has more cases of HIV than Africa south of the Sahara.
During the breakup of Pangaea, South America separated from Africa before North America
separated from Africa. Indicate whether the statement is true or false.
Describe and explain the overall population distribution in the Russian Region
What will be an ideal response?
The supply and demand conditions facing a firm that makes widgets and generates a negative externality by dumping a highly toxic sludge in a nearby river is given in the table below. The equilibrium price and quantity when only private costs are taken into account are
A. Price = $55, Quantity = 30 B. Price = $40, Quantity = 55 C. Price = $30, Quantity = 20 D. Price = $30, Quantity = 80