Question

The average salinity of typical seawater is:

2.0%.
10%.
25%.
3.5%.
0.35%.

Answer 1

The answer should be around 3.5%.

Step-by-step explanation:

The average salinity of typical seawater is approximately 3.5%.

Answer 2

The average salinity of typical seawater is 3.5%.

Step-by-step explanation:

The average salinity of typical seawater is 3.5%. Seawater is mostly H2O, but about 3.5% of it is dissolved solids, mainly NaCl (salt) and other ions. This high concentration of salts in seawater is what gives it its characteristic taste and makes it different from freshwater.