Salinity of the sea water is due to _____?

Salinity of the sea water is due to _____?

سمندری پانی کی نمکینیت _____ کی وجہ سے ہے؟
Explanation

Sodium chloride (NaCl), commonly known as table salt.

It is the main salt dissolved in seawater.

It is the primary cause of the ocean's salinity.