Suggest and explain a reason why the Trail Canyon alluvial fan and the alluvial fan just to the north are so different in size.
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?
Different sizes of drainage basins supplying sediment.
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The sulfur dioxide from a violent volcanic eruption does all of the following, except
A) remain in the atmosphere for at least a year. B) stay in the middle to upper layers of the troposphere. C) transform into sulfuric acid. D) increase the amount of sunlight reflected back to space. E) help cool the atmosphere.
Which of the following would be the best method for obtaining a numerical age for sedimentary rocks?
A) Observe any unconformities within the area. B) Radiometrically age-date metamorphic rocks near the sedimentary rocks. C) Use radioactive isotopes in sediment grains contained within the sedimentary rock. D) Relate the sedimentary rocks to a datable igneous mass, such as a dike or sill.
Glacial sediments are more uniform in size than stream sediments
Indicate whether the statement is true or false
Which nation in Latin America remains the top producer of cocaine?
A) Peru B) Argentina C) Chile D) Colombia E) Brazil