The worldwide average salinity of seawater is
A)5%.
B)35%.
C)45%.
D)55%.
E)75%.

Question

Quizplus · Accepted Answer

The worldwide average salinity of seawater is approximately 35 parts per thousand (ppt) or 3.5%. This means that for every liter of seawater, there are about 35 grams of dissolved salts, primarily sodium and chloride ions. This level of salinity can vary slightly depending on location and other factors, but 35 ppt is considered the typical and most commonly cited value.

The Worldwide Average Salinity of Seawater Is