Use of English · Part 3

Word FormationExercise 66 of 91

The Rediscovery of Fermentation

Long before refrigeration and vacuum packaging, humans relied on (0) FERMENTATION (FERMENT) as the principal means of food (1) .......... (PRESERVE). From sauerkraut to kimchi, from sourdough to kefir, cultures around the world developed startlingly similar (2) .......... (MICROBE) techniques in complete ignorance of…

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