Mean temperatures below which value reduce acid loss to a point where must acidity remains too high?

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Multiple Choice

Mean temperatures below which value reduce acid loss to a point where must acidity remains too high?

Explanation:
Acidity in must is shaped by temperature: cooler conditions slow down the processes that cause acid loss, so the must keeps more of its acidity. The value around 15 C is the practical dividing line where acid loss becomes sufficiently reduced to keep acidity high. If the mean temperature stays below this point, acidity remains too high; once you go above it, acid loss occurs more and acidity falls. That’s why 15 C is the best answer—the threshold that fits the described effect.

Acidity in must is shaped by temperature: cooler conditions slow down the processes that cause acid loss, so the must keeps more of its acidity. The value around 15 C is the practical dividing line where acid loss becomes sufficiently reduced to keep acidity high. If the mean temperature stays below this point, acidity remains too high; once you go above it, acid loss occurs more and acidity falls. That’s why 15 C is the best answer—the threshold that fits the described effect.

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