There are two methods. The first and most inefficient is distillation. The second is reverse osmosis.
they are both saltwater and freshwater
They contain saltwater and freshwater
The Persian Gulf is saltwater, not freshwater.
Saltwater is heavier because saltwater contains salt which adds to its overall weight. Freshwater does not have any dissolved salt so it is lighter then saltwater
Most lakes contain freshwater. From this fact, I'm assuming it is made out of freshwater, rather than saltwater.
Freshwater
freshwater
Freshwater.
Freshwater and saltwater meet at the mouths of rivers that flow into the sea.
An estuary is the place where freshwater and saltwater meet.
In a freshwater environment it is clean and in a saltwater it has salt.
There are freshwater drum, and saltwater drum species.