Water dissolves minerals easily. Salt is one mineral that dissolve very well in water. Now form where does the salt come ? Here are the various reasons why oceans have so much salt in its water-

From where does the ocean get water? From lakes and streams. From where do lakes and streams get water? From rain. Rain water has salt. This water mixes up with lakes and streams that ultimately join the oceans.

Fast-Fact :

They say if we collect all the salt from all the oceans, we can build a 40 storey building of salt!