Question

please let me know the answer as soon as possible please

Answer 1

drying :  drying keeps the food from spoiling. examples : resins

adding preservation : adding preservation preserves the food for long period

example :

canning : canning keeps the food stay for months it is done by boiling .

example : canned fish , peas etc...

freezing : freezing works by freezing the food in fridge .

example : freezing of chicken etc...

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