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Salt, one of the world’s most abundant natural resources, is a natural mineral made up of two elements on the periodic table – sodium and chloride. (Don’t worry, there won’t be an exam at the end of this article.) Salt occurs naturally in the sea, but can also be mined from salt mines on land. There are a variety of different kinds of salt in your local grocery store aisle, so what’s the difference and what is each kind used for? Herein, a primer:
Read more: http://www.care2.com/greenliving/what-are-the-different-types-of-salt.html#ixzz2zig4weF1
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