The back-to-the-tap movement advocates ____.
A. following water pollution back to its source
B. avoiding municipal tap water
C. educating people about the effects of phosphorus in dishwasher detergent
D. abandoning municipal water systems for private wells
E. avoiding bottled water
Answer: E
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Earth's rotation influences currents by a "force" known as ____
A) an Ekman spiral B) geostrophism C) the gyre counter rotation D) the Coriolis effect
It is true that
A) the surface level and upper level of the troposphere are two distinct layers. B) the Bjerknes model of cyclogenesis gives the best explanation for the formation and life of mid-latitude cyclones. C) upper-level divergence has little impact on the surface. D) the temperature at the surface can affect air flow at upper levels of the atmosphere.
Instructions: Choose one answer from each pair of selections. Did the Little Ice Age occur during a period of HIGH or LOW sunspot activity?
If you find yourself standing in an oak-hickory forest in southern Michigan, what you see around you represents a good example of a
A) biotic community. B) species. C) biome. D) landscape housing several ecosystems.