Final answer:
Bianca is using coarse flour that was ground between rotating stones. The quality of flour can be determined by its color and texture.
Explanation:
Bianca is working with a type of flour known as coarse flour. This flour is produced by grinding grains between two rotating stones, resulting in a rough and gritty texture.
Characteristics such as texture and color can help identify the quality of flour. A creamy white color indicates a good gluten quality, while a dark or greyish color may suggest a lower grade or contamination.
It's important to compare the flour being tested with a known sample to assess its quality accurately.
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