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← GeographyWhich mechanism causes increased stream meandering in a region experiencing decreased vegetation density?
A)Reduced bank stability from root systems✓
B)Increased sediment discharge from glaciers
C)Decomposition releasing soil binding agents
D)Increased channel conveyance from lower flow
💡 Explanation
When vegetation decreases, bank stability is reduced because root systems no longer reinforce the soil near the stream channel, accelerating erosion and bank collapse. Therefore, increased meandering results, rather than increased discharge, or decomposition effects, which have different underlying causes.
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