Freshwater.
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
freshwater
Freshwater
Most lakes contain freshwater. From this fact, I'm assuming it is made out of freshwater, rather than saltwater.
Freshwater and saltwater meet at the mouths of rivers that flow into the sea.
In a freshwater environment it is clean and in a saltwater it has salt.
An estuary is the place where freshwater and saltwater meet.
Islands exist in both bodies of saltwater and bodies of freshwater.
what biome consists of both saltwater and freshwater