In the Southern Hemisphere, the longest days occur around the
A) autumnal equinox.
B) vernal equinox.
C) summer solstice.
D) winter solstice.
E) period of aphelion.
D
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Indicate whether the statement is true or false
Which of the following is a mathematical statement of the combined gas law?
A) P1V2/T1 = P2V1/T2 B) P1V2/T2 = P2V1/T1 C) P1V1/T2 = P2V2/T1 D) P1V1/T1 = P2V2/T2
Which of the following statements best describes losing streams?
A. common in arid regions where groundwater flows into streams. B. common in arid regions where some of the stream water flows into the groundwater system. C. common in humid regions where groundwater flows into streams. D. common in humid regions where some of the stream water flows into the groundwater system.
Find the word “South” in the label for the “South Sawyer Glacier” (in the east central part of the map). Assume that the rate of movement of this glacier is 9 inches (22 cm) per day (a hypothetical rate). How long would it take the ice to move from the location marked by the “S” in the word “South” to the water of the Tracy Arm? It may be easiest if you determine the distance in inches or centimeters, rather than in feet, miles, or kilometers.
The following questions are based on Map T-14, the “Sumdum (D-4), Alaska” quadrangle (scale 1:63,360; contour interval 100 feet). The map shows two glaciers entering the “Tracy Arm.” The Tracy Arm is a fjord just south of Juneau, Alaska (see Exercise 49 for a brief discussion of fjords). The “Sawyer Glacier” enters the Tracy Arm from the north and the “South Sawyer Glacier” enters the Tracy Arm from the southeast (57°52'27"N, 133°10'33"W).
(a) 
(b) Time for ice to move to the Tracy Arm: _____________ years