Why Sea Salt

The salty sea water Because rain washed the salt solution. And minerals along the river and deposited in the sea. When the water evaporates, it does not evaporate out of the solution with the salt solution. It accumulates in sea salt until more and more expected in the future will be even more salty than sea water. Has calculated that The amount of water in the world with approximately 300 million cubic miles. Salt is almost 5 million cubic miles of it.
Part of the water is salty because the ground was maintained throughout the filtering solution. Make the solution any trapped by a layer of soil. The water is not salty