Suppose a west wind of 20 knots blows over a coastal region that is densely covered in shrubs. Which of the following describes the same wind's likely speed and direction if it moved over the middle of a large, calm lake?
A. greater than 20 knots and more southwesterly
B. greater than 20 knots and more northwesterly
C. less than 20 knots and more northwesterly
D. less than 20 knots and more southwesterly
Answer: B
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This climate type has hot and humid summers
A) Cfa. B) Cfc. C) BWk. D) Dwc. E) all of the above
Using the Darwin-Wallace mechanism of natural selection, describe how the long necks of giraffes evolved. What will be an ideal response?
Which of the following best explains why some volcanoes erupt so violently?
A. combustion as nitrogen gas compounds react with atmospheric oxygen B. rapid temperature drop as magma reaches the surface environment C. rapid decompression of dissolved gases D. cooling effect of seawater beneath island arc volcanoes E. all of the answers listed here
Sketch the current river course.
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). What will be an ideal response?