Respiratory illnesses in developing countries are most likely to be caused by
A. formaldehyde.
B. cigarette smoke.
C. suspended particulate matter.
D. asbestos.
E. ozone.
Answer: C
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The Aral Sea provides a good illustration of international cooperation in water-resource management, with the additional benefit of enhancing commercial fishing opportunities.
Answer the following statement true (T) or false (F)
One of the primary uses for a 500-mb map is:
A) to determine the speed and direction of motion for a mid-latitude cyclone. B) to estimate surface air temperature. C) to monitor the position of the polar jet stream. D) to predict surface wind speeds.
Approximately 15 percent of the world's ocean area produces eighty-five percent of the ocean's harvest.
Answer the following statement true (T) or false (F)
Which of the following is true of amylose?
A) It consists of as many as 4000 D-glucose units linearly linked by a(1 ? 4 ) glycosidic bonds. B) It consists of as many as 4000 D-glucose units linearly linked by b(1 ? 4 ) glycosidic bonds. C) It consists of as many as 10,000 D-glucose units linearly linked by a(1 ? 4 ) glycosidic bonds and there are branches every 24-30 units via a(1 ? 6 ) glycosidic bonds. D) It consists of as many as 10,000 D-glucose units linearly linked by b(1 ? 4 ) glycosidic bonds and there are branches every 24-30 units via b(1 ? 6 ) glycosidic bonds.