Use the following information to answer the following question. There are two main approaches to reducing the risk from landslides: hard and soft. Hard approaches involve construction of retaining walls, slope reduction, and drainage improvements. Soft approaches include zoning restrictions and land use regulations. Read the following mass wasting scenarios to determine if the event involved hard, soft, or both approaches.Ditches along a road are cleaned to remove vegetation and debris.
A. Hard
B. Soft
C. Both
Answer: A
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Source separation differs from materials-recovery facilities in all but which of the following?
a. It has lower start-up costs. b. It yields cleaner and more valuable recyclables. c. It produces less air and water pollution. d. It provides fewer jobs per unit of material recycled. e. It saves more energy per unit of material recycled.
What has become of democracy in Russia in the post-Soviet era?
A) There has been a steady decline in democracy since the Soviet Union broke up. B) There was a general flowering of democracy followed by a reduction of civil liberties since Vladimir Putin came to power. C) There was a brief decline in democracy, followed by a steady blossoming of civil liberties since 2000. D) There have been no steps toward democracy. E) There has been a steady growth in democracy and civil liberties.
Scientific forecasts of catastrophic earthquakes can ____.?
a. ?accurately predict the probability of the event happening somewhere in a large geographical area within a time frame of decades b. ?accurately predict the time and place of the event happening in a small geographical area within a time frame of one year c. ?estimate the probability of the event happening somewhere in a small geographical area within a time frame of one year d. ?estimate the probability of the event happening somewhere in a large geographical area within a time frame of decades e. ?estimate the probability of the event happening somewhere in a small geographical area within a time frame of decades
Predict what is presently happening to the mass balance of glaciers in the northern hemisphere.
A. Mass balance is staying the same B. Mass balance is increasing C. Mass balance is decreasing