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Which outcome increased risk resulted from improperly designed Inca terracing?

A)Decreased arable soil productivity
B)Increased thermal heat absorption
C)Reduced CO₂ atmospheric levels
D)Amplified seismic vibration impacts

💡 Explanation

Decreased arable soil productivity increases became terraces that exceeded the soil's angle of repose, leading to the mechanism of soil creep and erosion. Therefore, topsoil washes away reducing productivity, rather than directly affecting thermal transfer, reduced CO₂ or amplified vibrations.

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