What is the scientific principle behind the use of pickling and fermentation for food preservation?
What will be an ideal response?
The scientific principle behind the use of pickling and fermentation to preserve food is that microbes cannot multiply if the pH of a substance is below a certain level. Both of these methods lower the pH to a level intolerable to microbes.
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What do you need to know when selecting a limit switch?
What will be an ideal response?
The job title of a worker who looks up and locates parts:
A. Parts specialist B. Service consultant C. Technician D. Warranty clerk
The coureurs de bois and the voyaguers
A. were critical French military divisions that helped France gain and retain political control of Québec. B. were allied with Jesuit missionaries in achieving similar goals and objectives for the Indians in New France. C. played critical roles in recruiting local Indian tribes to develop the French fur business in New France. D. declined to utilize regional Indian tribes to advance their economic goals and objectives in New France. E. failed to influence the economic development of New France in any significant way.
Fill in the blank(s) with the appropriate word(s).