What environmental factors can cause a baker's starter in a coastal city to behave differently than one in a high-altitude kitchen?
Answer
The ambient temperature and humidity levels impacting the culture's activity.
The sourdough starter's reliance on ambient microbiology means its internal environment is heavily influenced by external conditions. The text specifies that the flavor profile and activity levels can change based on the ambient temperature. Consequently, a starter kept in a location with high humidity, like a humid coastal city, will have different microbial dynamics and behavior compared to a starter maintained in a location characterized by dryness and lower pressure, such as a high-altitude kitchen, even if they are both fed the same flour.

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