All of the following could increase the risk of landslide on a slope except
A. adding fill at the top of the slope to build a road.
B. building a house on the slope.
C. use of septic tanks.
D. planting shrubs with extensive root systems.
Answer: D
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What meridian is opposite the Prime Meridian?
A) Tropic of Cancer B) 90° meridian C) 180° meridian D) 320° meridian E) Tropic of Capricorn
Southern California is at highest risk for very large earthquakes in the United States
a. True b. False
A longitudinal cross section of a stream will show a lower gradient near the stream source and a higher gradient near the stream mouth.
Answer the following statement true (T) or false (F)
Hot mantle rock rising slowly by convection under parts of the ocean explains ________.
A. the location of earthquakes B. underwater volcanoes C. the thickness of the continents D. the unexpectedly high heat flow under the oceans E. mid-oceanic ridges