A dim, "watery" Sun visible through a gray sheet-like cloud layer is often a good indication of ____ clouds
a. stratocumulus
b. cirrostratus
c. cumulonimbus
d. altostratus
e. nimbostratus
ANSWER: d
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Compare the present length of the meandering Souris River course shown on the map with the length of a river flowing down this valley if it were not meandering. (You can measure the distance with a piece of string, or your instructor can show you a more precise method.)
The following questions are based on Map T-4, a portion of the “Voltaire, North Dakota” quadrangle (scale 1:24,000; contour interval 5 feet) and Figure 40-4, a stereogram of the same region showing the Souris River (48°06'23"N, 100°48'05"W). (a) Length of present meandering course: __________ miles (b) Length of a straight course down the valley: __________ miles
Urban planners suggest that it takes a population of about ________ to obtain the advantages of a city but still retain the sense of community.
A. 30,000 to 50,000 B. 90,000 to 100,000 C. 2500 to 5000 D. 500 to 1000
The Superfund Act was designed to make polluters pay for cleaning up hazardous waste, but taxpayers are now paying for their cleaning.
Answer the following statement true (T) or false (F)