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Which environmental shift increased flood risk to Andean terraced farming systems during the Little Ice Age?

A)Glacial meltwater volume increase
B)Reduced rainfall due to altered winds
C)Increased soil erosion from deforestation
D)Saltwater intrusion from rising sea levels

💡 Explanation

When temperatures dropped during the Little Ice Age, increased glacial ice formation occurred, but warmer periods caused accelerated glacial melt; meltwater volume increased which overflowed irrigation systems in the growing seasons, increasing flood risk. Therefore, glacial meltwater is the primary risk rather than other regional impacts.

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