First off what is a rastafarian? My fiance says its a Jamaican person and that no they do not use salt because they live off the land and eat all natural fruits and vegis.
No rastafarians don't fast because they believe that their body should be pure and natural, that is also why they eat ital food.
kamasutra and quran
they use it to flavour food
Salt is a natural product; the first use was as a food additive.
To preserve the food
It is the most salt for snacks because salt gives it a good taste the rest - others will edit this answer
Because its a preservative.
She sprinkled some salt on her food to enhance the flavor.
Rock salt is not as pure. There is often foreign material left from when they scraped it up from the ground. Food grade salt is much cleaner and it includs iodine which is there to prevent thyroid problems. You can still get coarse salt that is considered "food grade". If you are using it to melt snow use the rock salt its cheaper and the larger grains give better traction
Sugar (table sugar) is an element that we use to make food sweet. Salt is also a compound, we use salt (table salt) for many things.
no, they do not. they only use salt in their fries.
Rastafarians use the Bible, a lot, as part of their belief system. Not eating from the vine is probably associated with Judges 13:5. It is part of the restriction placed on Samson who was not supposed to drink wine or any other fermented drink, and he must not cut his hair (Judges 16:17).