The slight eastward slope of the Great Plains was created during the Cenozoic by ________
A) uplift of the western U.S. due to the formation of the Rocky Mountains
B) deposition of sediments shed from the eroding Rocky Mountains
C) uplift of the expanding Basin and Range Province
D) tilting of the U.S. because of sediment deposited on the trailing edge of the plate
E) uplift of the western U.S. due to volcanic activity
B
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One landform that is caused by erosion from running water is a
A) waterfall. B) U-shaped valley. C) sand dune. D) mountain.
Crater Lake, Oregon, fills the caldera of ________ which collapsed about 7,600 years ago.
A. Mt. St. Helens B. Mt. Mazama C. Mt. Rainier D. Mt. Shasta E. Mt. Baker
The net force acting on an object is
A. the force of friction acting on it. B. the combination of all forces acting on it. C. most often its weight. D. none of the above
Lithospheric plates are the tops of convection cells and subduction zones are the downgoing part of the convection cell
Indicate whether the statement is true or false