Respuesta :

Sorry I can't explain because the process is too long but here are 2 articles that may help you:

http://www.madehow.com/Volume-2/Salt.html

https://www.mortonsalt.com/salt-production-and-processing/

Answer:

There are three methods used to produce salt: solar, evaporation and rock mining.

Solar Evaporation Method. This is the oldest method of salt production. ...

Rock Salt Mining Method. Morton also uses the second oldest method of producing salt – underground mining. ...

Vacuum Evaporation Method

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