Salt concentration (salinity) of the sea measured in parts per thousand is:

Salt concertration (salinity) of the sea measured in parts per thousand is:

Salt concentratoin (Salinity) of the sea measured in parts per thousand is:

Salinity of seas measured in parts per hundred is :

The salt concentration (measured as salinity in parts per thousand) is ____ in inland water.

The salt concentration (measured as salinity in parts per thousand), is less than ......% in inland waters.

The salt concentration is 30 -35 ( salinity in parts per thousand ) in