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← HistoryWhich consequence arises when incorrect stone selection weakens arches in Inca terraces?
A)Diminished global climate regulation
B)Reduced erosion prevention capacity✓
C)Increased highland maize crop yield
D)Enhanced downstream water purification
💡 Explanation
Reduced erosion prevention capacity occurs because differential stone weathering induces differential settlement due to arch compressive stresses; this displacement compromises structural integrity threatening terrace walls, therefore undermining erosion control, rather than influencing other environmental factors.
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