GEOLOGY

Detailed explanation-1: -Saltwater is more dense than freshwater. For example, the density of freshwater in the Mississippi River in southern Louisiana is 0.999. The density of saltwater at Japanese ports is 1.025. Due to the more dense/heavier water in Japan, the vessel will automatically rise about 11.4 inches (29 centimeters).

Detailed explanation-2: -Salt water is more dense than fresh water Salt water has more stuff in it than fresh water. That stuff would be the salt, which makes the mass of water greater, without adding much to its volume. Density = mass/volume. Increasing the mass by adding salt increases the density.

Detailed explanation-3: -Freshwater contains less than 0.05% salt, or less than 1% salt by some definitions. Brackish water contains less than 3% salt. And saltwater contains more than 3% salt.

Detailed explanation-4: -The density of pure water is 1000 kg/m3. Ocean water is more dense because of the salt in it. Density of ocean water at the sea surface is about 1027 kg/m3.

Detailed explanation-5: -Also, as the salt content of sea water increases, so does its density. This makes the density of sea water, unlike fresh water, below the freezing point.