The process whereby streams lengthen their channels upstream is called
A) headwater erosion.
B) channel incision.
C) stream piracy.
D) saltation.
A
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Which of the following names refers to the area of warm water that replaces cold surface water along the coast of Peru and Ecuador during December?
A. Peru/Humbolt current B. Equatorial Counter Current C. Brazil Current D. El Niño
Visualize a general topographic profile across this landscape, from the upper left corner to the lower right corner of the map, by determining the elevations of the following locations.
The question is based on Map T-11, the “Whitewater, Wisconsin” quadrangle (scale 1:62,500; contour interval 20 feet; dotted lines represent 10-foot contours). The irregular high ground of “Kettle Moraine State Forest,” running diagonally from the lower left to the right center of the map, is a terminal moraine left by a Pleistocene ice sheet (42°51'34"N, 88°35'59"W). The region northwest of the terminal moraine was once covered by the ice. The region in the southeast corner of the map is the edge of the glacial outwash plain. (a) McLery Cemetery: _______ feet (b) Pumping Stations near Scuppernong: _______ feet (c) Blue Spring Lake: _______ feet (d) Crest of the terminal moraine about 0.5 mile (0.8 km) south of Blue Spring Lake: _______ feet (e) Round Prairie Cemetery: _______ feet
The flat stable interior of a continent within a craton is called a ____.
a. shield b. continental slope c. abyssal plain d. mountain belt e. continental rise
Air masses moving north from the Gulf of Mexico are likely to be warm and dry.
Answer the following statement true (T) or false (F)