Question

1) What is meant by the salinity of sea water? one sentence each
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Answer 1

Explanation:

Ocean salinity is generally defined as the salt concentration (e.g., Sodium and Chlorure) in sea water.

It is measured in unit of PSU (Practical Salinity Unit), which is a unit based on the properties of sea water conductivity.

It is equivalent to per thousand or (o/00) or to g/kg.

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Answer 2

The salinity of seawater is defined as the total amount by weight of dissolved salts in one kilogram of seawater. Salinity is expressed in the unit g / kg, which is often written as ppt (part per thousand) or ‰ (permil)

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