Which of these practices causes salinization of farmland?
A. irrigation
B. deep plowing
C. pesticides
D. synthetic fertilizers
Answer: A
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The study of natural events such as tornadoes, forest fires or landslides are explored within the ________ branch of geography
A) physical B) human C) regional D) spatial E) natural
What is the approximate depth of the caldera (from the rim down to the floor)?
The question is based on Map T-2, the “Umnak, Alaska,” topographic map (scale 1:250,000; contour interval 200 feet), Map T-21b, a satellite image; and Figures 35-3 and 35-4, a shaded relief map and a stereogram showing the Okmok Caldera (53°25'33"N, 168°07'38"W) on Umnak Island in the Aleutian Islands. What will be an ideal response?
The special geologic terms used to represent the direction of a horizontal line on an inclined surface (like in a fault) is
A) dip. B) joint. C) hanging. D) horst.
In the Northern Hemisphere, ocean currents in the Atlantic and the Pacific move in a generally circular pattern. The direction of this motion is ____ in the Atlantic and ____ in the Pacific
A) clockwise; counterclockwise B) counterclockwise; counterclockwise C) clockwise; clockwise D) counterclockwise; clockwise