Answer :
salinity of a water is a measure of the total dissolved mineral in water. in the ocean vast majority is sodium chloride.
that are trace amounts of salt all over in freshwater streams contains a bit of salt.
when that water goes to the ocean or lakes with no outlets and evaporates.the salt is left behind and the salinity of water increases
that are trace amounts of salt all over in freshwater streams contains a bit of salt.
when that water goes to the ocean or lakes with no outlets and evaporates.the salt is left behind and the salinity of water increases