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Which process contributed to the success of chinampa agriculture in supplying Mesoamerican cities?

A)Decomposition generating nutrient-rich sediment
B)Evaporation concentrating saline minerals
C)Leaching removing organic compounds
D)Abrasion creating well-draining soil

💡 Explanation

When organic matter decomposes underwater, anaerobic decomposition occurs because of microbial activity, generating a nutrient-rich sediment called 'muck'. Therefore enhanced fertility results, rather than mineral concentration, leaching or abrasion which diminish soil quality.

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