____ is a slow movement along a curved surface that typically involves poorly consolidated material
A)Earthflow
B)Mudflow
C)Creep
D)Slump
E)Debris flow
D
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What led to the classification of the Soviet Union as a "misdeveloped" country?
This agent of erosion and deposition is most effective on fine sediment that is dry.
A. frost action B. wind C. desertification D. flash floods E. dry wash
Clay is both ________ and ________ in terms of groundwater
A) porous, permeable B) porous, non-permeable C) non-porous, non-permeable D) non-porous, permeable E) lacking interstices, lacking openings
Which of the following statements is not true?
A. By the time studies of rain acidity were begun, all air was polluted to some extent. B. The problems caused by acid rain vary in severity with local soil and bedrock geology. C. Rainfall is often more acidic downwind of coal-fired power plants. D. Rainfall would not be acidic if burning of sulfur-rich coal were stopped.