Question

2. How is food preservation useful to us?
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Answer 1

Answer:

food preservation is important for us for hard times wen we can't able to grow food preservative food help us in such. hard times

Answer 2

Answer:

The term food preservation refers to any one of a number of techniques used to prevent food from spoiling. It includes methods such as canning, pickling, drying and freeze-drying, irradiation, pasteurization, smoking, and the addition of chemical additives.

Hope it helps you