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trapecia [35]
3 years ago
8

What are the different methods of food preservation?

Biology
2 answers:
svp [43]3 years ago
6 0

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.

Explanation:

solong [7]3 years ago
4 0

Answer:oldest and modern methods of food preservations are:

Explanation: oldest

1.drying 2.refrigeration 3.fermentation

Modern

1.canning 2.pasteurization

3.freezing 4.addition of chemicals

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A box of jello has a mass of 250 g. How many boxes must be bought to have 1 Kg of jello? *
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