Question

write different methods used to preserve the food and explain any one​

Answer 1

Answer:

Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals. Advances in packaging materials have played an important role in modern food preservation.

Answer 2

Answer:

Presure is a substance used to increase lifespan of packed food .

Explanation:

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