Question

food items like jams and pickles are protected by using​

Answer 1

Answer:

They are protected by using different methods, like:

• we could put them into refrigerator.
• we should store them into air tight container.
• we should keep away them from sunlight.

Explanation:

Hope, it is helpful.

Answer 2

keep the food in air tight container containing nitrogen gas which will not allow the food to react with oxygen and prevent the food to get spoil.