Salt is a mineral composed primarily of sodium chloride. Salt is most often mined from natural salt deposits, but it can also be produced by evaporating sea water or by mining rock salt. Salt is a necessary nutrient for the human body and is a good source of iodine and other minerals. It has been used for centuries as a food preservative and as a condiment. Salt is mined from natural salt deposits, but it can also be produced by evaporating sea water or by mining rock salt. Salt is a necessary nutrient for the human body and is a good source of iodine and other minerals. It has been used for centuries as a food preservative and as a condiment.

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