AP Environmental Science Quiz
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LAND AND WATER USE
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A logging plan adds 25 km of roads on steep slopes near streams; which change most reduces sedimentation sustainably?
A
Pave all roads and increase traffic speed to reduce time trucks spend on slopes, assuming faster transport lowers total soil disturbance and erosion risk.
B
Relocate roads away from streams, install water bars and culverts, limit grades, and revegetate disturbed soil to reduce runoff and sediment delivery.
C
Schedule logging only during heavy rain so soil stays moist, then grade roads frequently to keep them smooth and prevent puddles from forming.
D
Remove riparian vegetation to widen channels and increase flow velocity, carrying sediment downstream more quickly and preventing local deposition near bridges.
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