Islam and Science. Why sea water taste salty and unfit to drink?

The scientists discovered that every one liter of sea water has a salt content of 27 grams. Each year the use of more than 5 million tons of salt all over the world.  

This salt is formed from igneous rock fragmentation due process caused by weather and erosion.
If sea water is not salty, then this world will stink! Sea acts as a preservative because it can close the stench of carrion or garbage in it.
The enormity of his will organize events of this nature.
Allah says, "And the two seas, even though one of its kind, which is a sweet and proper to drink, while the other salt and bitter.

Al Ustaz, Isu16