Which of the following can we use to recognize prehistoric slope failures?
A) Sedimentary deposits
B) Orientation of beds and other geologic structures
C) Masses of rock fragments that are unusual for an area
D) Hummocky topography
E) All of these are correct.
E) All of these are correct.
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An interruption in a stream's graded profile of equilibrium is called a
A) gradation. B) longitudinal interruption. C) base level. D) nickpoint.
_______ is a windblown soil of generally high fertility
Fill in the blank(s) with correct word
The porosity and permeability of a soil are influenced by the ____ of the soil
a. color b. acidity c. structure d. copper content e. fertility
The specific aquifer on which most of the U.S. midwestern agriculture depends is known as the ________
A) Artesian Aqueduct project B) Colorado water project C) Ogallala aquifer D) Illinois aquifer E) Trans Dakota-Texas aquifer