The salinity of sea water is the mass of salts dissolved in a kilogram of sea water. On average it is about per kilogram: of the mass of sea water is salt.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা
The salinity of sea water is the mass of salts dissolved in a kilogram of sea water. On average it is about per kilogram: of the mass of sea water is salt.