Which of the following is a description of an anhydrous salt?
A) a salt which is insoluble in water
B) a salt which is soluble in water
C) a salt with no water incorporated in its crystal structure
D) a salt with water incorporated in its crystal structure
C
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A good rule: Action and reaction pairs of forces always act on
A. different bodies. B. the same body. C. either of these D. none of the above
Critics of demographic transition theory argue that
A) the theory is not very relevant for countries on the periphery. B) the theory does not work for European countries. C) the theory has a Marxist ideological bias. D) birth rates and death rates are irrelevant in the 21st century.
Automobiles and light trucks account for ________ of U.S. oil consumption.
A. 10 percent B. 20 percent C. 60 percent D. 40 percent
Immigrants comprise about ___________ percent of the U.S. population
Fill in the blank(s) with correct word