What percent of the earth's water supply is readily available as liquid freshwater?
A. 0.024%
B. 1.0%
C. 2.3%
D. 7.8%
E. 15%
Answer: A
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A. liquefied natural gas ships B. cargo helicopters C. digital water pumps D. GPS E. horizontal drilling
For Marxists, labor is a commodity whose use value to employers is
A) more than its exchange value in wages. B) equal to its exchange value in wages. C) less than its exchange value in wages. D) unrelated to its exchange value in wages. E) leads to the problem of producing too little.
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a. True b. False Indicate whether the statement is true or false