JAMB - Geography (2015 - No. 48)
the degree of saltiness or concentration of salt solution in oceans or seas is referred to as -----
ocean deep
ocean ridge
deep sea plain
salinity of the ocean
Explication
D is correct. Because salinity defined as the degree of saltines or concentration of salt solution in oceans or seas. The degree of salinity varies from ocean to ocean and nit is measured in percentage or parts per thousand.