Sagot :
•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.
2.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.
3.Factors that affect food storage:
Temperature: The temperature at which food is stored is very critical to shelf life. ...
Moisture: It is recommended to remove moisture when storing foods. ...
Oxygen: Foods store best when oxygen free. ...
Light: Light, a form of energy that can degrade the food value of foods.
4.(I don't know the answer)
5.By preserving food, human communities are able to increase their food security through food storage and reduce food waste.
•I hope this help•