Because the upper regions of a glacier flow __________ than the base of the glacier, the upper part of the glacier tends to be __________.
A) faster; compressed
B) faster; stretched
C) slower; compressed
D) slower; stretched
Answer: B) faster; stretched
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How can those conditions change during an orogenic event?
What will be an ideal response?
All the following processes decrease seawater salinity except :
-sea ice melting. -iceberg melting. -river runoff. -evaporation. -precipitation.
Use of dams, reservoirs and water transfer projects has disrupted ecosystems
Indicate whether the statement is true or false
Find “Trail Canyon” coming out of the Panamint Range in the center of the map (a dirt road is shown coming down the fan of Trail Canyon). Why are the contours showing the Trail Canyon alluvial fan so irregular (many tiny zigzags)? (Hint: What surface features of the fan are these zigzags showing?)
The question is based on Map T-10, the “Furnace Creek, California” quadrangle (scale 1:62,500; contour interval 80 feet; dotted lines represent 20-foot contours). This portion of the Furnace Creek quadrangle shows the Panamint Range and the western side of Death Valley in Death Valley National Park (36°19'08"N, 116°53'25"W). Several large alluvial fans can be seen along the eastern front of the Panamint Range. The basin floor here is called the Death Valley “salt pan,” because salts have accumulated here in great thicknesses. What will be an ideal response?