Refugees migrate most often because of which type of push factor?
A) economic
B) environmental
C) cultural
D) circulation
E) political
Answer: E
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Harmful algal blooms appear to be linked to unusually high levels of nutrient pollution. Which of the following is the most likely source of nutrient pollution in a river drainage system associated with an algal bloom?
A) A coal-fired power plant B) A nuclear power plant C) Chicken and hog farms D) A large shopping mall
Of the following, which is the most likely source for coarse particulate matter?
A) power generation B) residential fireplaces C) fossil fuel combustion in vehicles D) cars driving on unpaved roads
You are caring for a young woman with a local cold injury to her hands. Your assessment reveals that her hands are hard to the touch, mottled, cold, and without sensation. Her body temperature is 96.3°F per tympanic thermometer. Your estimated transport time to the hospital is 45 minutes. The MOST appropriate treatment for this patient includes:
A) preventing further loss of body heat; protecting her hands from injury with dry, bulky dressings; and transporting without delay. B) applying chemical heat packs to her axilla and groin, rapidly rewarming her hands with hot water, bandaging her hands, and transporting. C) starting an IV and infusing warm normal saline, having her place her hands in her armpits to keep them warm, and transporting as soon as possible. D) immersing her hands in water that is between 95°F and 104°F, starting an IV and administering fentanyl, bandaging her thawed hands, and transporting.
Compared to most stellar objects, quasars are more
A. energetic. B. distant. C. puzzling. D. all of these E. none of these