The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

سمندری پانی کی نمکیات کا تعین سمندری پانی کے ___ میں عام نمک (سوڈیم کلورائیڈ) کی مقدار سے ہوتا ہے۔
Explanation


Salinity in seawater is defined as the total  weight of salt dissolved  in 1 kilogram of seawater.

Salinity is expressed in  g / kg and is often expressed in ppt (parts per 1000) or ‰ (permit).