Proof in science is always
A. constantly changing with little continuity between disciplines.
B. Open to question or new evidence
C. An impossible goal
D. Firmly established
E. Beyond question
Answer: B
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Haze-scattered light from a rising or setting sun produces bright light beams called ____
A) an inferior mirage B) crepuscular rays C) glories D) corona
Which of the following factors characterizes a mixing layer?
A. high concentrations of pollutants B. enhanced vertical air motions C. suppressed vertical air motions D. strong horizontal winds
Several factors underlie the decline in manufacturing in the developed world. These include all of the following EXCEPT
A) the cost of wages in Europe and North America relative to those in in the developing world. B) high pension costs for workers in developed countries. C) advances in technology made manufacturing more capital intensive. D) industrial firms reinvested their net revenues on research and development to remain competitive. E) shortages of human capital and high transportation costs.
Sustainable development means
A. utilizing an ever-increasing quantity of natural resources. B. improving people's lives in the present in a way that can continue far into the future. C. continued growth indefinitely as long as it can be paid off. D. providing ever-increasing amounts of adequate housing.