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← GeographyWhich outcome maximizes infiltration rate when creating crop terraces on an alluvial fan?
A)Compacting individual terrace surfaces
B)Incorporating abundant organic matter✓
C)Maximizing terrace runoff collection
D)Decreasing terrace slope beyond gradient
💡 Explanation
When creating terraces on alluvial fans, incorporating organic matter increases soil porosity because it enhances soil structure and water retention, thus maximizing infiltration and reducing runoff. Therefore enhanced organic matter use is optimal, rather than compaction, collection, or changing landscape gradient each of which decrease infiltration capacity.
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