_____ is the ecosystem's main source of water.
A. Refining
B. Precipitation
C. Ecology
D. Privatization
E. Environmentalism
Answer: B
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In the United States, what organization initiated efforts to professionalize medicine by evaluating medical schools?
A) the American Medical Association B) the Carnegie Foundation C) the U.S. Congress D) Harvard University
Wallerstein argues that Marx's distinction between merchant and industrial capital is of little real significance
Indicate whether this statement is true or false.
The most noticeable changes in body build are
a. decreased height and fluctuations in weight. b. increased height and fluctuations in weight. c. decreased height and stable weight. d. increased height and stable weight.
The 1954 Brown v. Board of Education decision led to the immediate desegregation of public schools in the United States
Indicate whether this statement is true or false.