The average salinity of sea water may be expressed as
A)25 grams per kilogram.
B)3)5 percent,or 35 parts per thousand.
C)45 percent,or 450 parts per thousand.
D)5 000 parts per million.
E)62 000 parts per thousand.

Question

Quizplus · Accepted Answer

The average salinity of sea water is commonly expressed as 35 parts per thousand (ppt), which is equivalent to 3.5% or 35 grams of dissolved salts per kilogram of seawater. This is the most widely used unit for expressing salinity in oceanography. The other options are not correct as they either represent too low or too high values for the average salinity of sea water.

The Average Salinity of Sea Water May Be Expressed as