Question

How are the food items preserved? You can include more than three methods. Conduct a survey in five homes around your neighbourhood. Find out how they preserve food and what method they use?​

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.