Question

5. The method of food preservation in which food is
preserved in oil, salt and spices​

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

Explanation:

the answer is pickling