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← ScienceWhen a stream flows over rapids, which outcome results when increased water speed intensifies existing turbulent flow?
A)Increased sediment entrainment downstream✓
B)Decrement of boundary layer separation
C)Laminar sublayer becomes more stable
D)Momentum diffusion becomes less frequent
💡 Explanation
Intensified turbulence increases sediment entrainment downstream because the turbulent kinetic energy increases which causes greater shear stress. Larger shear stress leads to particles being picked up; therefore promoting sediment transport rather than impeding it
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