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Which outcome occurs when the water level of the raised bed farming in ancient chinampas is excessively high?

A)Soil oxygen decreases significantly
B)Erosion rates are drastically reduced
C)Nutrient availability greatly increases
D)Sunlight penetration suddenly improves

💡 Explanation

Soil oxygen decreases significantly because of increased microbial activity during anaerobic fermentation, therefore inhibits root respiration slowing plant growth rather than increasing them. This is due to waterlogged soil, not increased fertility/sunlight.

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