The term salinity denotes the total amount of dissolved salts in a liquid sample. For example, the salinity of the ocean water was much greater than the salinity of the lake water.
Ocean water is most saline in dense seawater. Correct answer: B
Coastal waters on the other hand in cool, humid areas where fresh water rivers run into the ocean tend to have lower salinity.
C) People become unemployed and cannot get services they need.
Factories provide jobs which keeps unemployment rates down. They make thosands of jobs worldwide so, when European countries removed these factories it made the unemployment rates skyrocket.