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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Southern California is at highest risk for very large earthquakes in the United States
a. True b. False
What meridian is opposite the Prime Meridian?
A) Tropic of Cancer B) 90° meridian C) 180° meridian D) 320° meridian E) Tropic of Capricorn
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
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)