Question

Suggest any two methods of preserving food​

Answer 1

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.

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Answer 2

Answer:

First method : to keep it is refrigerator.

Second method : to heat it up or to keep it in warm place .