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Biology, 31.01.2020 02:47 leo4687

Gracie squeezed some grapes and kept the juice in a vessel for 5 days at room temperature. on the fifth day she found that the juice tasted sour and appeared frothy.
what caused this change?

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Gracie squeezed some grapes and kept the juice in a vessel for 5 days at room temperature. on the fi...
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