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← HistoryWhich effect arises when ancient terrace farms experience deforestation?
A)Increased topsoil erosion downslope✓
B)Decreased crop photosynthesis rates
C)Accelerated nitrogen fixation in soil
D)Enhanced water retention by terraces
💡 Explanation
Deforestation increases erosion because the binding action of tree roots is lost; leading to increased water runoff. The mechanism of action is slope destabilization therefore the outcome is increased erosion, rather than nutrient alteration or water managment.
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