Why Does Benching Reduce the Risk of Mass Movements

question 54

Multiple Choice

Why does benching reduce the risk of mass movements?

• A)It increases the amount of vegetation on a slope.
• B)It prevents rainwater from seeping into the hill.
• C)It lowers the average slope of a hill.
• D)It fastens unstable rock to the underlying stable bedrock.
• E)Benching does not reduce the risk of mass movements.

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