Although light, nitrogen, and phosphorous are abundant in the Pacific and Southern Oceans, the plankton are less abundant due to ________.
A. low surface temperature, low oxygen levels at the surface, and lack of iron in surface waters
B. low surface temperature
C. lack of iron in surface waters
D. low surface temperature and lack of iron in surface waters
E. low oxygen levels at the surface
Answer: C
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The Apennines are found primarily in which nation?
A) Spain B) Switzerland C) Italy D) Greece E) Hungary
Which of the following is true about how a lake can relate to the water table?
A) A lake that is above the water table may lose water to groundwater. B) The water table intersects, or is higher than, the surface in many lakes. C) A lake can gain water if it is lower than the water table in areas adjacent to the lake. D) All of these are correct.
An anthropogenic environmental disaster as a consequence of diverting water from rivers for irrigation.
A. the polluting of Lake Baikal B. Chernobyl C. the shrinking of the Aral Sea D. retreating glaciers
Which is incorrectly matched?
A) cP—cold, dense air B) mP—warm, moist, stable conditions C) mT—warm, humid, variable stability depending on source region D) cA—very cold, very dry, stable