Hudson stands at rest on a pair of bathroom scales. The scale readings will always
A. add up to more than his weight.
B. add to equal his weight.
C. each be half his weight.
D. each equal his weight.
Answer: B
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Which statement about urban areas is supported by environmental analysts?
A. Most of the world's urban areas are not environmentally sustainable in the long run. B. Most of the world's urban areas are environmentally sustainable in the long run. C. Since the ecological footprint of a city does not extend beyond its border, cities are models of sustainability. D. The only truly sustainable places occur in large urban areas.
In water the speed of sound
A. increases with decreasing temperature. B. increases with increasing pressure. C. all of the above. D. none of the above.
Air pollution is an aesthetic problem with no documented cases of death directly related to poor air quality.
Answer the following statement true (T) or false (F)
What activities are found in a global city?
A) creative innovations, news, fashion, and culture industries B) raising and managing investment capital C) advertising, marketing, legal services, accounting D) management, planning and control centers for government and NGOs E) all of the above