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

✅ D. monocytes

✅ B. Clostridium

✅ B. O-

✅ A. Chemical

✅ D. None OF These

✅ C. To remove waste product from the body

✅ C. Rain

✅ A. Ultraviolet