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← ScienceWhich risk increases when river flow transitions to turbulence?
A)Sediment entrainment from the riverbed✓
B)Reduced oxygen diffusion into water
C)Decreased flow channel cross-sectional area
D)Increased water flow through hydroelectric turbines
💡 Explanation
Increased turbulence enhances sediment entrainment because turbulent eddies have enough energy to lift particles from the riverbed; therefore, erosion increases rather than other factors limiting transport such as viscosity or channel slope in laminar flow.
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