freshwater
does swamps in the interior plains have saltwater or freshwater
Bog, marshes, and swamps can be freshwater, but not always. There are many bogs, marshes, and an swamps that are saltwater by coastal areas. Some of these have a high salt content and others have low salt content.
Sirens are typically found in freshwater environments such as swamps, rivers, and lakes. They are not adapted to live in saltwater habitats and are primarily found in the southeastern United States.
They contain saltwater and freshwater
they are both saltwater and freshwater
saltwater freshwater saltwater freshwater
The Persian Gulf is saltwater, not freshwater.
Cypress trees are found mostly in fresh water like swamps. But, some trees are found need the coasts of Florida.
Most lakes contain freshwater. From this fact, I'm assuming it is made out of freshwater, rather than saltwater.
Freshwater
Freshwater.
the densities are different (Saltwater has a greater density than freshwater.)