Briefly discuss any one physical methods of food preservation.

Food preservation is the name for a number of processes that help to preserve food. This means that the food treated that way will go bad (spoil from bacteria) later that if it had not been treated that way. For thousands of years, humans have used methods of preserving food, so that they can store food to eat later. The simplest methods of preserving food, such as drying strips of fish or meat in the hot sun have been used for thousands of years, and they ___ ____ ___ __________ __________.
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